Merge branch 'wip/jimmac/sass-fixes-and-render-css' into 'gtk-3-24'

Adwaita: !global vars no longer in sass

See merge request GNOME/gtk!2815

4 files changed, 148 insertions, 146 deletions

diff --git a/gtk/theme/Adwaita/_colors.scss b/gtk/theme/Adwaita/_colors.scss
index 7a7c14bb19..c4f708e293 100644
--- a/gtk/theme/Adwaita/_colors.scss
+++ b/gtk/theme/Adwaita/_colors.scss
@@ -1,6 +1,8 @@
 // When color definition differs for dark and light variant
 // it gets @if ed depending on $variant
 
+//global variables no longer in scss
+$button_fill: null;
 
 $base_color: if($variant == 'light', #ffffff, lighten(desaturate(#241f31, 100%), 2%));
 $text_color: if($variant == 'light', black, white);
diff --git a/gtk/theme/Adwaita/_drawing.scss b/gtk/theme/Adwaita/_drawing.scss
index 428b674a3a..6e173dd548 100644
--- a/gtk/theme/Adwaita/_drawing.scss
+++ b/gtk/theme/Adwaita/_drawing.scss
@@ -197,7 +197,7 @@
     border-color: if($c != $bg_color, _border_color($c), $borders_color);
     border-bottom-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color);
     $button_fill: if($variant == 'light', linear-gradient(to top, darken($c, 4%) 2px, $c),
-                                          linear-gradient(to top, darken($c,1%) 2px, $c)) !global;
+                                          linear-gradient(to top, darken($c,1%) 2px, $c));
     background-image: $button_fill;
     @include _button_text_shadow($tc, $c);
     @include _shadows(inset 0 1px $_hilight_color, $_button_edge, $_button_shadow);
@@ -212,12 +212,12 @@
     border-color: if($c != $bg_color, _border_color($c), $borders_color);
     border-bottom-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color);
     @if $variant == 'light' {
-      $button_fill: linear-gradient(to top, $c, lighten($c, 1%) 1px) !global;
+      $button_fill: linear-gradient(to top, $c, lighten($c, 1%) 1px);
       @include _button_text_shadow($tc, lighten($c, 6%));
       @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)), $_button_edge, $_button_shadow);
     }
     @else {
-      $button_fill: linear-gradient(to top, darken($c,1%), lighten($c, 1%) 1px) !global;
+      $button_fill: linear-gradient(to top, darken($c,1%), lighten($c, 1%) 1px);
       @include _button_text_shadow($tc,lighten($c, 6%));
       @include _shadows(inset 0 1px _button_hilight_color(darken($c, 2%)), $_button_edge, $_button_shadow);
     }
@@ -252,12 +252,12 @@
     outline-color: transparentize($tc, 0.7);
     border-color: if($c != $bg_color, _border_color($c, true), $alt_borders_color);
     @if $variant == 'light' {
-      $button_fill: linear-gradient(to bottom, lighten($c, 9%) 10%, lighten($c, 4%) 90%) !global;
+      $button_fill: linear-gradient(to bottom, lighten($c, 9%) 10%, lighten($c, 4%) 90%);
       @include _shadows(inset 0 1px _button_hilight_color(lighten($c, 6%)),
                         $_button_edge, $_button_shadow);
     }
     @else {
-      $button_fill: linear-gradient(to bottom, $c 20%, darken($c, 4%) 90%) !global;
+      $button_fill: linear-gradient(to bottom, $c 20%, darken($c, 4%) 90%);
       @include _shadows(inset 0 1px $_hilight_color,
                         $_button_edge, $_button_shadow);
     }
@@ -271,7 +271,7 @@
     color: $tc;
     outline-color: transparentize($tc, 0.7);
     border-color: if($c != $bg_color, _border_color($c), $borders_color);
-    $button_fill: if($variant == 'light', image(darken($c, 14%)), image(darken($c, 9%))) !global;
+    $button_fill: if($variant == 'light', image(darken($c, 14%)), image(darken($c, 9%)));
     background-image: $button_fill;
     @include _shadows(inset 0 1px transparentize($_hilight_color, 1), $_button_edge);
 
@@ -287,7 +287,7 @@
 
     color: if($tc != $fg_color, mix($tc, $_bg, 50%), $insensitive_fg_color);
     border-color: if($c != $bg_color, _border_color($c), $insensitive_borders_color);
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     text-shadow: none;
     -gtk-icon-shadow: none;
@@ -305,7 +305,7 @@
 
     color: if($c != $bg_color, mix($tc, $_bg, 60%), $insensitive_fg_color);
     border-color: $_bc;
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     // white with 0 alpha to avoid an ugly transition, since no color means
     // black with 0 alpha
@@ -321,7 +321,7 @@
 
     color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color);
     border-color: if($c != $bg_color, $_bc, $backdrop_borders_color);
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     text-shadow: none;
     -gtk-icon-shadow: none;
@@ -337,7 +337,7 @@
 
     color: if($tc != $fg_color, mix($tc, $_bg, 80%), $backdrop_fg_color);
     border-color: if($c != $bg_color, $_bc, $backdrop_borders_color);
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge);
   }
@@ -352,7 +352,7 @@
 
     color: if($c != $bg_color, mix($tc, $_bg, 35%), $backdrop_insensitive_color);
     border-color: if($c != $bg_color, $_bc, $backdrop_borders_color);
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     text-shadow: none;
     -gtk-icon-shadow: none;
@@ -371,7 +371,7 @@
 
     color: if($c != $bg_color, mix($tc, $_bg, 35%), $backdrop_insensitive_color);
     border-color: if($c != $bg_color, $_bc, $backdrop_borders_color);
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge);
   }
@@ -385,7 +385,7 @@
     color: $osd_fg_color;
     border-color: $osd_borders_color;
     background-color: transparent;
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     background-clip: padding-box;
     box-shadow: inset 0 1px transparentize(white, 0.9);
@@ -403,7 +403,7 @@
     color: white;
     border-color: $osd_borders_color;
     background-color: transparent;
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     background-clip: padding-box;
     box-shadow: inset 0 1px transparentize(white, 0.9);
@@ -421,7 +421,7 @@
     color: white;
     border-color: $osd_borders_color;
     background-color: transparent;
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     background-clip: padding-box;
     box-shadow: none;
@@ -437,7 +437,7 @@
     color: $osd_insensitive_fg_color;
     border-color: $osd_borders_color;
     background-color: transparent;
-    $button_fill: image($osd_insensitive_bg_color) !global;
+    $button_fill: image($osd_insensitive_bg_color);
     background-image: $button_fill;
     background-clip: padding-box;
     box-shadow: none;
@@ -454,7 +454,7 @@
     color: $osd_fg_color;
     border-color: $osd_borders_color;
     background-color: transparent;
-    $button_fill: image($_bg) !global;
+    $button_fill: image($_bg);
     background-image: $button_fill;
     background-clip: padding-box;
     box-shadow: none;
@@ -468,7 +468,7 @@
   //
     border-color: transparent;
     background-color: transparent;
-    $button_fill: none !global;
+    $button_fill: none;
     background-image: $button_fill;
 
     @include _shadows(inset 0 1px transparentize(white, 1), $_blank_edge);
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 772f4b88a8..c2c86c405d 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -162,7 +162,7 @@ spinbutton:not(.vertical) progress:backdrop, entry progress:backdrop { backgroun
 
 .linked:not(.vertical) > spinbutton:focus:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:focus:not(.vertical) + button, .linked:not(.vertical) > spinbutton:focus:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:focus:not(.vertical) + entry, .linked:not(.vertical) > entry:focus + button, .linked:not(.vertical) > entry:focus + combobox > box > button.combo, .linked:not(.vertical) > entry:focus + spinbutton:not(.vertical), .linked:not(.vertical) > entry:focus + entry { border-left-color: #030c17; }
 
-.linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + button, .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + entry, .linked:not(.vertical) > entry:focus.error + button, .linked:not(.vertical) > entry:focus.error + combobox > box > button.combo, .linked:not(.vertical) > entry:focus.error + spinbutton:not(.vertical), .linked:not(.vertical) > entry:focus.error + entry { border-left-color: #1a0000; }
+.linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + button, .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + entry, .linked:not(.vertical) > entry.error:focus + button, .linked:not(.vertical) > entry.error:focus + combobox > box > button.combo, .linked:not(.vertical) > entry.error:focus + spinbutton:not(.vertical), .linked:not(.vertical) > entry.error:focus + entry { border-left-color: #1a0000; }
 
 .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + button, .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + entry, .linked:not(.vertical) > entry:drop(active) + button, .linked:not(.vertical) > entry:drop(active) + combobox > box > button.combo, .linked:not(.vertical) > entry:drop(active) + spinbutton:not(.vertical), .linked:not(.vertical) > entry:drop(active) + entry { border-left-color: #4e9a06; }
 
@@ -174,13 +174,13 @@ spinbutton:not(.vertical) progress:backdrop, entry progress:backdrop { backgroun
 
 .linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:focus:not(:only-child), .linked.vertical > entry + spinbutton:focus:not(:only-child):not(.vertical), .linked.vertical > entry + entry:focus:not(:only-child) { border-top-color: #030c17; }
 
-.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus.error:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:focus.error:not(:only-child), .linked.vertical > entry + spinbutton:focus.error:not(:only-child):not(.vertical), .linked.vertical > entry + entry:focus.error:not(:only-child) { border-top-color: #1a0000; }
+.linked.vertical > spinbutton:not(.vertical) + spinbutton.error:focus:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry.error:focus:not(:only-child), .linked.vertical > entry + spinbutton.error:focus:not(:only-child):not(.vertical), .linked.vertical > entry + entry.error:focus:not(:only-child) { border-top-color: #1a0000; }
 
 .linked.vertical > spinbutton:not(.vertical) + spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:drop(active):not(:only-child), .linked.vertical > entry + spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > entry + entry:drop(active):not(:only-child) { border-top-color: #4e9a06; }
 
 .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:focus:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:focus:not(:only-child) + entry, .linked.vertical > entry:focus:not(:only-child) + button, .linked.vertical > entry:focus:not(:only-child) + combobox > box > button.combo { border-top-color: #030c17; }
 
-.linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:focus.error:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:focus.error:not(:only-child) + entry, .linked.vertical > entry:focus.error:not(:only-child) + button, .linked.vertical > entry:focus.error:not(:only-child) + combobox > box > button.combo { border-top-color: #1a0000; }
+.linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry.error:focus:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry.error:focus:not(:only-child) + entry, .linked.vertical > entry.error:focus:not(:only-child) + button, .linked.vertical > entry.error:focus:not(:only-child) + combobox > box > button.combo { border-top-color: #1a0000; }
 
 .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:drop(active):not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:drop(active):not(:only-child) + entry, .linked.vertical > entry:drop(active):not(:only-child) + button, .linked.vertical > entry:drop(active):not(:only-child) + combobox > box > button.combo { border-top-color: #4e9a06; }
 
@@ -220,17 +220,17 @@ button.titlebutton:hover, button.sidebar-button:hover, notebook > header > tabs
 
 button.titlebutton:hover:active, button.sidebar-button:hover:active, notebook > header > tabs > arrow:hover:active, button.flat:hover:active { transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
 
-notebook > header > tabs > arrow:hover, button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); -gtk-icon-effect: highlight; }
+notebook > header > tabs > arrow:hover, button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); -gtk-icon-effect: highlight; }
 
 notebook > header > tabs > arrow:active, notebook > header > tabs > arrow:checked, button:active, button:checked { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; background-image: image(#1e1e1e); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; transition-duration: 50ms; }
 
-notebook > header > tabs > arrow:backdrop, button:backdrop.flat, button:backdrop { color: #919190; border-color: #202020; background-image: image(#353535); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); transition: 200ms ease-out; -gtk-icon-effect: none; }
+notebook > header > tabs > arrow:backdrop, button.flat:backdrop, button:backdrop { color: #919190; border-color: #202020; background-image: image(#353535); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); transition: 200ms ease-out; -gtk-icon-effect: none; }
 
-notebook > header > tabs > arrow:backdrop:active, notebook > header > tabs > arrow:backdrop:checked, button:backdrop.flat:active, button:backdrop.flat:checked, button:backdrop:active, button:backdrop:checked { color: #919190; border-color: #202020; background-image: image(#2a2a2a); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:active, notebook > header > tabs > arrow:backdrop:checked, button.flat:backdrop:active, button.flat:backdrop:checked, button:backdrop:active, button:backdrop:checked { color: #919190; border-color: #202020; background-image: image(#2a2a2a); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
-notebook > header > tabs > arrow:backdrop:disabled, button:backdrop.flat:disabled, button:backdrop:disabled { color: #5b5b5b; border-color: #202020; background-image: image(#323232); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:disabled, button.flat:backdrop:disabled, button:backdrop:disabled { color: #5b5b5b; border-color: #202020; background-image: image(#323232); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
-notebook > header > tabs > arrow:backdrop:disabled:active, notebook > header > tabs > arrow:backdrop:disabled:checked, button:backdrop.flat:disabled:active, button:backdrop.flat:disabled:checked, button:backdrop:disabled:active, button:backdrop:disabled:checked { color: #5b5b5b; border-color: #202020; background-image: image(#2a2a2a); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:disabled:active, notebook > header > tabs > arrow:backdrop:disabled:checked, button.flat:backdrop:disabled:active, button.flat:backdrop:disabled:checked, button:backdrop:disabled:active, button:backdrop:disabled:checked { color: #5b5b5b; border-color: #202020; background-image: image(#2a2a2a); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
 button.titlebutton:backdrop, button.sidebar-button:backdrop, notebook > header > tabs > arrow:backdrop, button.titlebutton:disabled, button.sidebar-button:disabled, notebook > header > tabs > arrow:disabled, button.flat:backdrop, button.flat:disabled, button.flat:backdrop:disabled { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -288,7 +288,7 @@ button.suggested-action { color: white; outline-color: rgba(255, 255, 255, 0.3);
 
 button.suggested-action.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; color: #15539e; }
 
-button.suggested-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; border-bottom-color: #092444; text-shadow: 0 -1px rgba(0, 0, 0, 0.671216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.671216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #155099, #1655a2 1px); }
+button.suggested-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; border-bottom-color: #092444; text-shadow: 0 -1px rgba(0, 0, 0, 0.671216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.671216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 button.suggested-action:active, button.suggested-action:checked { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; background-image: image(#103e75); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -320,7 +320,7 @@ button.destructive-action { color: white; outline-color: rgba(255, 255, 255, 0.3
 
 button.destructive-action.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; color: #b2161d; }
 
-button.destructive-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #851015; border-bottom-color: #570b0e; text-shadow: 0 -1px rgba(0, 0, 0, 0.638275); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.638275); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #ae151c, #b7161d 1px); }
+button.destructive-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #851015; border-bottom-color: #570b0e; text-shadow: 0 -1px rgba(0, 0, 0, 0.638275); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.638275); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 button.destructive-action:active, button.destructive-action:checked { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #851015; background-image: image(#8a1116); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -370,9 +370,9 @@ button.circular { border-radius: 9999px; -gtk-outline-radius: 9999px; padding: 4
 
 button.circular label { padding: 0; }
 
-button.circular:not(.flat):not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232 2px, #353535), linear-gradient(to top, #070707 25%, #1b1b1b 50%); border-color: transparent; }
+button.circular:not(.flat):not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #070707 25%, #1b1b1b 50%); border-color: transparent; }
 
-button.circular:hover:not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); background-image: linear-gradient(to top, #323232, #373737 1px), linear-gradient(to top, #070707 25%, #1b1b1b 50%); border-color: transparent; }
+button.circular:hover:not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #070707 25%, #1b1b1b 50%); border-color: transparent; }
 
 stacksidebar row.needs-attention > label, .stack-switcher > button.needs-attention > label, .stack-switcher > button.needs-attention > image { animation: needs_attention 150ms ease-in; background-image: -gtk-gradient(radial, center center, 0, center center, 0.5, to(#1f76e1), to(transparent)), -gtk-gradient(radial, center center, 0, center center, 0.45, to(rgba(0, 0, 0, 0.834353)), to(transparent)); background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; background-position: right 3px, right 2px; }
 
@@ -382,7 +382,7 @@ stacksidebar row.needs-attention > label:dir(rtl), .stack-switcher > button.need
 
 .inline-toolbar toolbutton > button { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-.inline-toolbar toolbutton > button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); }
+.inline-toolbar toolbutton > button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 .inline-toolbar toolbutton > button:active, .inline-toolbar toolbutton > button:checked { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; background-image: image(#1e1e1e); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -437,7 +437,7 @@ button.color colorswatch:only-child, button.color colorswatch:only-child overlay
 /* tone down as per new designs, see issue #1473, #1748 */
 list row button.image-button:not(.flat) { border: 1px solid rgba(27, 27, 27, 0.5); }
 
-list row button.image-button:not(.flat):hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); }
+list row button.image-button:not(.flat):hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 list row button.image-button:not(.flat):active, list row button.image-button:not(.flat):checked { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; background-image: image(#1e1e1e); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -594,15 +594,15 @@ searchbar > revealer > box { margin: -6px; padding: 6px; }
 
 .selection-mode button.titlebutton, .selection-mode .titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode headerbar button.flat, headerbar.selection-mode button.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
-.selection-mode .titlebar:not(headerbar) button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .selection-mode headerbar button:hover, headerbar.selection-mode button:hover { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; border-bottom-color: #092444; text-shadow: 0 -1px rgba(0, 0, 0, 0.671216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.671216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #155099, #1655a2 1px); }
+.selection-mode .titlebar:not(headerbar) button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .selection-mode headerbar button:hover, headerbar.selection-mode button:hover { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; border-bottom-color: #092444; text-shadow: 0 -1px rgba(0, 0, 0, 0.671216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.671216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 .selection-mode .titlebar:not(headerbar) button:active, .selection-mode .titlebar:not(headerbar) button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .selection-mode headerbar button:active, .selection-mode headerbar button:checked, .selection-mode headerbar button.toggle:checked, .selection-mode headerbar button.toggle:active, headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.selection-mode button.toggle:checked, headerbar.selection-mode button.toggle:active { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #0f3b71; background-image: image(#103e75); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop, .selection-mode.titlebar:not(headerbar) button:backdrop, .selection-mode headerbar button:backdrop.flat, .selection-mode headerbar button:backdrop, headerbar.selection-mode button:backdrop.flat, headerbar.selection-mode button:backdrop { color: #d0ddec; border-color: #0f3b71; background-image: image(#15539e); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); -gtk-icon-effect: none; border-color: #030c17; }
+.selection-mode .titlebar:not(headerbar) button:backdrop, .selection-mode.titlebar:not(headerbar) button:backdrop, .selection-mode headerbar button.flat:backdrop, .selection-mode headerbar button:backdrop, headerbar.selection-mode button.flat:backdrop, headerbar.selection-mode button:backdrop { color: #d0ddec; border-color: #0f3b71; background-image: image(#15539e); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); -gtk-icon-effect: none; border-color: #030c17; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop:active, .selection-mode .titlebar:not(headerbar) button:backdrop:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:active, .selection-mode.titlebar:not(headerbar) button:backdrop:checked, .selection-mode headerbar button:backdrop.flat:active, .selection-mode headerbar button:backdrop.flat:checked, .selection-mode headerbar button:backdrop:active, .selection-mode headerbar button:backdrop:checked, headerbar.selection-mode button:backdrop.flat:active, headerbar.selection-mode button:backdrop.flat:checked, headerbar.selection-mode button:backdrop:active, headerbar.selection-mode button:backdrop:checked { color: #d0dae5; border-color: #0f3b71; background-image: image(#16447c); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #030c17; }
+.selection-mode .titlebar:not(headerbar) button:backdrop:active, .selection-mode .titlebar:not(headerbar) button:backdrop:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:active, .selection-mode.titlebar:not(headerbar) button:backdrop:checked, .selection-mode headerbar button.flat:backdrop:active, .selection-mode headerbar button.flat:backdrop:checked, .selection-mode headerbar button:backdrop:active, .selection-mode headerbar button:backdrop:checked, headerbar.selection-mode button.flat:backdrop:active, headerbar.selection-mode button.flat:backdrop:checked, headerbar.selection-mode button:backdrop:active, headerbar.selection-mode button:backdrop:checked { color: #d0dae5; border-color: #0f3b71; background-image: image(#16447c); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #030c17; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop:disabled, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled, .selection-mode headerbar button:backdrop.flat:disabled, .selection-mode headerbar button:backdrop:disabled, headerbar.selection-mode button:backdrop.flat:disabled, headerbar.selection-mode button:backdrop:disabled { color: #6a8bb5; border-color: #0f3b71; background-image: image(#194d8d); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #030c17; }
+.selection-mode .titlebar:not(headerbar) button:backdrop:disabled, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled, .selection-mode headerbar button.flat:backdrop:disabled, .selection-mode headerbar button:backdrop:disabled, headerbar.selection-mode button.flat:backdrop:disabled, headerbar.selection-mode button:backdrop:disabled { color: #6a8bb5; border-color: #0f3b71; background-image: image(#194d8d); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #030c17; }
 
 .selection-mode .titlebar:not(headerbar) button:backdrop:disabled:active, .selection-mode .titlebar:not(headerbar) button:backdrop:disabled:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled:active, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled:checked, .selection-mode headerbar button:backdrop:disabled:active, .selection-mode headerbar button:backdrop:disabled:checked, headerbar.selection-mode button:backdrop:disabled:active, headerbar.selection-mode button:backdrop:disabled:checked { color: #6885aa; border-color: #0f3b71; background-image: image(#16447c); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #030c17; }
 
@@ -614,7 +614,7 @@ searchbar > revealer > box { margin: -6px; padding: 6px; }
 
 .selection-mode .titlebar:not(headerbar) button.suggested-action, .selection-mode.titlebar:not(headerbar) button.suggested-action, .selection-mode headerbar button.suggested-action, headerbar.selection-mode button.suggested-action { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); border-color: #030c17; }
 
-.selection-mode .titlebar:not(headerbar) button.suggested-action:hover, .selection-mode.titlebar:not(headerbar) button.suggested-action:hover, .selection-mode headerbar button.suggested-action:hover, headerbar.selection-mode button.suggested-action:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); border-color: #030c17; }
+.selection-mode .titlebar:not(headerbar) button.suggested-action:hover, .selection-mode.titlebar:not(headerbar) button.suggested-action:hover, .selection-mode headerbar button.suggested-action:hover, headerbar.selection-mode button.suggested-action:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); border-color: #030c17; }
 
 .selection-mode .titlebar:not(headerbar) button.suggested-action:active, .selection-mode.titlebar:not(headerbar) button.suggested-action:active, .selection-mode headerbar button.suggested-action:active, headerbar.selection-mode button.suggested-action:active { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; background-image: image(#1e1e1e); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; border-color: #030c17; }
 
@@ -704,9 +704,9 @@ treeview.view:backdrop { border-left-color: #636362; border-top: #353535; }
 
 treeview.view:drop(active) { border-style: solid none; border-width: 1px; border-color: #030c17; }
 
-treeview.view:drop(active).after { border-top-style: none; }
+treeview.view.after:drop(active) { border-top-style: none; }
 
-treeview.view:drop(active).before { border-bottom-style: none; }
+treeview.view.before:drop(active) { border-bottom-style: none; }
 
 treeview.view.expander { -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); color: silver; }
 
@@ -746,7 +746,7 @@ treeview.view button.dnd:active, treeview.view button.dnd:selected, treeview.vie
 
 treeview.view acceleditor > label { background-color: #15539e; }
 
-treeview.view header button, treeview.view header button:hover, treeview.view header button:active { padding: 0 6px; background-image: none; border-style: none solid solid none; border-color: #353535; border-radius: 0; text-shadow: none; }
+treeview.view header button, treeview.view header button:hover, treeview.view header button:active { padding: 0 6px; background-image: none; border-style: none solid solid none; border-color: #545453; border-radius: 0; text-shadow: none; }
 
 treeview.view header button:disabled { border-color: #353535; background-image: none; }
 
@@ -911,21 +911,21 @@ notebook > header tab { min-height: 30px; min-width: 30px; padding: 3px 12px; ou
 
 notebook > header tab:hover { color: #eeeeec; background-color: #2b2b2b; }
 
-notebook > header tab:hover.reorderable-page { border-color: rgba(27, 27, 27, 0.3); background-color: rgba(53, 53, 53, 0.2); }
+notebook > header tab.reorderable-page:hover { border-color: rgba(27, 27, 27, 0.3); background-color: rgba(53, 53, 53, 0.2); }
 
 notebook > header tab:backdrop { color: #6c6c6c; }
 
-notebook > header tab:backdrop.reorderable-page { border-color: transparent; background-color: transparent; }
+notebook > header tab.reorderable-page:backdrop { border-color: transparent; background-color: transparent; }
 
 notebook > header tab:checked { color: #eeeeec; }
 
-notebook > header tab:checked.reorderable-page { border-color: rgba(27, 27, 27, 0.5); background-color: rgba(53, 53, 53, 0.5); }
+notebook > header tab.reorderable-page:checked { border-color: rgba(27, 27, 27, 0.5); background-color: rgba(53, 53, 53, 0.5); }
 
-notebook > header tab:checked.reorderable-page:hover { background-color: rgba(53, 53, 53, 0.7); }
+notebook > header tab.reorderable-page:checked:hover { background-color: rgba(53, 53, 53, 0.7); }
 
 notebook > header tab:backdrop:checked { color: #919190; }
 
-notebook > header tab:backdrop:checked.reorderable-page { border-color: #202020; background-color: #353535; }
+notebook > header tab.reorderable-page:backdrop:checked { border-color: #202020; background-color: #353535; }
 
 notebook > header tab button.flat { padding: 0; margin-top: 4px; margin-bottom: 4px; min-width: 20px; min-height: 20px; }
 
@@ -1006,13 +1006,13 @@ scrollbar.overlay-indicator:not(.dragging):not(.hovering) slider { margin: 0; mi
 
 scrollbar.overlay-indicator:not(.dragging):not(.hovering) button { min-width: 5px; min-height: 5px; background-color: #eeeeec; background-clip: padding-box; border-radius: 100%; border: 1px solid black; -gtk-icon-source: none; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).horizontal slider { margin: 0 2px; min-width: 40px; }
+scrollbar.overlay-indicator.horizontal:not(.dragging):not(.hovering) slider { margin: 0 2px; min-width: 40px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).horizontal button { margin: 1px 2px; min-width: 5px; }
+scrollbar.overlay-indicator.horizontal:not(.dragging):not(.hovering) button { margin: 1px 2px; min-width: 5px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).vertical slider { margin: 2px 0; min-height: 40px; }
+scrollbar.overlay-indicator.vertical:not(.dragging):not(.hovering) slider { margin: 2px 0; min-height: 40px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).vertical button { margin: 2px 1px; min-height: 5px; }
+scrollbar.overlay-indicator.vertical:not(.dragging):not(.hovering) button { margin: 2px 1px; min-height: 5px; }
 
 scrollbar.overlay-indicator.dragging, scrollbar.overlay-indicator.hovering { opacity: 0.8; }
 
@@ -1059,7 +1059,7 @@ switch slider { margin: -1px; min-width: 24px; min-height: 24px; border: 1px sol
 
 switch image { color: transparent; }
 
-switch:hover slider { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #111111; box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to bottom, #444444 20%, #3a3a3a 90%); }
+switch:hover slider { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #111111; box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 switch:checked > slider { border: 1px solid #030c17; }
 
@@ -1233,7 +1233,7 @@ scale fill:disabled:backdrop, scale fill:disabled { border-color: transparent; b
 
 scale slider { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); background-image: linear-gradient(to bottom, #2d2d2d 20%, #262626 90%); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); border: 1px solid black; border-radius: 100%; transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94); transition-property: background, border, box-shadow; }
 
-scale slider:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #070707; box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to bottom, #353535 20%, #2b2b2b 90%); }
+scale slider:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #070707; box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 scale slider:active { border-color: #030c17; }
 
@@ -1285,99 +1285,99 @@ scale.vertical.fine-tune indicator { min-width: 3px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-dark.png"), url("assets/slider-horz-scale-has-marks-above-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-hover-dark.png"), url("assets/slider-horz-scale-has-marks-above-hover-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-active-dark.png"), url("assets/slider-horz-scale-has-marks-above-active-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-insensitive-dark.png"), url("assets/slider-horz-scale-has-marks-above-insensitive-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-backdrop-dark.png"), url("assets/slider-horz-scale-has-marks-above-backdrop-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-backdrop-insensitive-dark.png"), url("assets/slider-horz-scale-has-marks-above-backdrop-insensitive-dark@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-dark.png"), url("assets/slider-horz-scale-has-marks-below-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-hover-dark.png"), url("assets/slider-horz-scale-has-marks-below-hover-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-active-dark.png"), url("assets/slider-horz-scale-has-marks-below-active-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-insensitive-dark.png"), url("assets/slider-horz-scale-has-marks-below-insensitive-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-backdrop-dark.png"), url("assets/slider-horz-scale-has-marks-below-backdrop-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-backdrop-insensitive-dark.png"), url("assets/slider-horz-scale-has-marks-below-backdrop-insensitive-dark@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-dark.png"), url("assets/slider-vert-scale-has-marks-above-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-hover-dark.png"), url("assets/slider-vert-scale-has-marks-above-hover-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-active-dark.png"), url("assets/slider-vert-scale-has-marks-above-active-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-insensitive-dark.png"), url("assets/slider-vert-scale-has-marks-above-insensitive-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-backdrop-dark.png"), url("assets/slider-vert-scale-has-marks-above-backdrop-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-backdrop-insensitive-dark.png"), url("assets/slider-vert-scale-has-marks-above-backdrop-insensitive-dark@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-dark.png"), url("assets/slider-vert-scale-has-marks-below-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-hover-dark.png"), url("assets/slider-vert-scale-has-marks-below-hover-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-active-dark.png"), url("assets/slider-vert-scale-has-marks-below-active-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-insensitive-dark.png"), url("assets/slider-vert-scale-has-marks-below-insensitive-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-backdrop-dark.png"), url("assets/slider-vert-scale-has-marks-below-backdrop-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-backdrop-insensitive-dark.png"), url("assets/slider-vert-scale-has-marks-below-backdrop-insensitive-dark@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.color { min-height: 0; min-width: 0; }
 
@@ -1548,7 +1548,7 @@ row.activatable:backdrop:hover { background-color: transparent; }
 
 row.activatable:selected:active { box-shadow: inset 0 2px 3px -1px rgba(0, 0, 0, 0.5); }
 
-row.activatable:selected.has-open-popup, row.activatable:selected:hover { background-color: #2b62a6; }
+row.activatable.has-open-popup:selected, row.activatable:selected:hover { background-color: #2b62a6; }
 
 row.activatable:selected:backdrop { background-color: #15539e; }
 
@@ -1619,9 +1619,9 @@ filechooserbutton:drop(active) { box-shadow: none; border-color: transparent; }
 /*********** Sidebar * */
 .sidebar { border-style: none; background-color: #313131; }
 
-stacksidebar.sidebar:dir(ltr) list, stacksidebar.sidebar.left list, stacksidebar.sidebar.left:dir(rtl) list, .sidebar:not(separator):dir(ltr), .sidebar:not(separator).left { border-right: 1px solid #1b1b1b; border-left-style: none; }
+stacksidebar.sidebar:dir(ltr) list, stacksidebar.sidebar.left list, stacksidebar.sidebar.left:dir(rtl) list, .sidebar:not(separator):dir(ltr), .sidebar.left:not(separator) { border-right: 1px solid #1b1b1b; border-left-style: none; }
 
-stacksidebar.sidebar:dir(rtl) list, stacksidebar.sidebar.right list, .sidebar:not(separator):dir(rtl), .sidebar:not(separator).right { border-left: 1px solid #1b1b1b; border-right-style: none; }
+stacksidebar.sidebar:dir(rtl) list, stacksidebar.sidebar.right list, .sidebar:not(separator):dir(rtl), .sidebar.right:not(separator) { border-left: 1px solid #1b1b1b; border-right-style: none; }
 
 .sidebar:backdrop { background-color: #323232; border-color: #202020; transition: 200ms ease-out; }
 
@@ -1728,7 +1728,7 @@ infobar.info:backdrop, infobar.question:backdrop, infobar.warning:backdrop, info
 
 infobar.info button, infobar.question button, infobar.warning button, infobar.error button { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-infobar.info button:hover, infobar.question button:hover, infobar.warning button:hover, infobar.error button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); }
+infobar.info button:hover, infobar.question button:hover, infobar.warning button:hover, infobar.error button:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 infobar.info button:active, infobar.info button:checked, infobar.question button:active, infobar.question button:checked, infobar.warning button:active, infobar.warning button:checked, infobar.error button:active, infobar.error button:checked { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; background-image: image(#1e1e1e); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -1790,9 +1790,9 @@ colorswatch.light overlay:backdrop { color: rgba(0, 0, 0, 0.5); }
 
 colorswatch:drop(active) { box-shadow: none; }
 
-colorswatch:drop(active).light overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #1b1b1b, inset 0 0 0 1px #4e9a06; }
+colorswatch.light:drop(active) overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #1b1b1b, inset 0 0 0 1px #4e9a06; }
 
-colorswatch:drop(active).dark overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #1b1b1b, inset 0 0 0 1px #4e9a06; }
+colorswatch.dark:drop(active) overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #1b1b1b, inset 0 0 0 1px #4e9a06; }
 
 colorswatch overlay { border: 1px solid #1b1b1b; }
 
@@ -1806,7 +1806,7 @@ colorswatch#add-color-button:only-child { border-radius: 5px; }
 
 colorswatch#add-color-button overlay { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; background-image: linear-gradient(to top, #323232 2px, #353535); text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-colorswatch#add-color-button overlay:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #323232, #373737 1px); }
+colorswatch#add-color-button overlay:hover { color: #eeeeec; outline-color: rgba(238, 238, 236, 0.3); border-color: #1b1b1b; border-bottom-color: #070707; text-shadow: 0 -1px rgba(0, 0, 0, 0.786353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.786353); box-shadow: inset 0 1px rgba(255, 255, 255, 0.02), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 colorswatch#add-color-button overlay:backdrop { color: #919190; border-color: #202020; background-image: image(#353535); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 478b3ffdb6..c8b525290c 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -162,7 +162,7 @@ spinbutton:not(.vertical) progress:backdrop, entry progress:backdrop { backgroun
 
 .linked:not(.vertical) > spinbutton:focus:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:focus:not(.vertical) + button, .linked:not(.vertical) > spinbutton:focus:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:focus:not(.vertical) + entry, .linked:not(.vertical) > entry:focus + button, .linked:not(.vertical) > entry:focus + combobox > box > button.combo, .linked:not(.vertical) > entry:focus + spinbutton:not(.vertical), .linked:not(.vertical) > entry:focus + entry { border-left-color: #3584e4; }
 
-.linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + button, .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:focus.error:not(.vertical) + entry, .linked:not(.vertical) > entry:focus.error + button, .linked:not(.vertical) > entry:focus.error + combobox > box > button.combo, .linked:not(.vertical) > entry:focus.error + spinbutton:not(.vertical), .linked:not(.vertical) > entry:focus.error + entry { border-left-color: #cc0000; }
+.linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + button, .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton.error:focus:not(.vertical) + entry, .linked:not(.vertical) > entry.error:focus + button, .linked:not(.vertical) > entry.error:focus + combobox > box > button.combo, .linked:not(.vertical) > entry.error:focus + spinbutton:not(.vertical), .linked:not(.vertical) > entry.error:focus + entry { border-left-color: #cc0000; }
 
 .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + spinbutton:not(.vertical), .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + button, .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + combobox > box > button.combo, .linked:not(.vertical) > spinbutton:drop(active):not(.vertical) + entry, .linked:not(.vertical) > entry:drop(active) + button, .linked:not(.vertical) > entry:drop(active) + combobox > box > button.combo, .linked:not(.vertical) > entry:drop(active) + spinbutton:not(.vertical), .linked:not(.vertical) > entry:drop(active) + entry { border-left-color: #4e9a06; }
 
@@ -174,13 +174,13 @@ spinbutton:not(.vertical) progress:backdrop, entry progress:backdrop { backgroun
 
 .linked.vertical > spinbutton:not(.vertical) + spinbutton:focus:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:focus:not(:only-child), .linked.vertical > entry + spinbutton:focus:not(:only-child):not(.vertical), .linked.vertical > entry + entry:focus:not(:only-child) { border-top-color: #3584e4; }
 
-.linked.vertical > spinbutton:not(.vertical) + spinbutton:focus.error:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:focus.error:not(:only-child), .linked.vertical > entry + spinbutton:focus.error:not(:only-child):not(.vertical), .linked.vertical > entry + entry:focus.error:not(:only-child) { border-top-color: #cc0000; }
+.linked.vertical > spinbutton:not(.vertical) + spinbutton.error:focus:not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry.error:focus:not(:only-child), .linked.vertical > entry + spinbutton.error:focus:not(:only-child):not(.vertical), .linked.vertical > entry + entry.error:focus:not(:only-child) { border-top-color: #cc0000; }
 
 .linked.vertical > spinbutton:not(.vertical) + spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > spinbutton:not(.vertical) + entry:drop(active):not(:only-child), .linked.vertical > entry + spinbutton:drop(active):not(:only-child):not(.vertical), .linked.vertical > entry + entry:drop(active):not(:only-child) { border-top-color: #4e9a06; }
 
 .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:focus:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:focus:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:focus:not(:only-child) + entry, .linked.vertical > entry:focus:not(:only-child) + button, .linked.vertical > entry:focus:not(:only-child) + combobox > box > button.combo { border-top-color: #3584e4; }
 
-.linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:focus.error:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:focus.error:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:focus.error:not(:only-child) + entry, .linked.vertical > entry:focus.error:not(:only-child) + button, .linked.vertical > entry:focus.error:not(:only-child) + combobox > box > button.combo { border-top-color: #cc0000; }
+.linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton.error:focus:not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry.error:focus:not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry.error:focus:not(:only-child) + entry, .linked.vertical > entry.error:focus:not(:only-child) + button, .linked.vertical > entry.error:focus:not(:only-child) + combobox > box > button.combo { border-top-color: #cc0000; }
 
 .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + spinbutton:not(.vertical), .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + entry, .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + button, .linked.vertical > spinbutton:drop(active):not(:only-child):not(.vertical) + combobox > box > button.combo, .linked.vertical > entry:drop(active):not(:only-child) + spinbutton:not(.vertical), .linked.vertical > entry:drop(active):not(:only-child) + entry, .linked.vertical > entry:drop(active):not(:only-child) + button, .linked.vertical > entry:drop(active):not(:only-child) + combobox > box > button.combo { border-top-color: #4e9a06; }
 
@@ -220,17 +220,17 @@ button.titlebutton:hover, button.sidebar-button:hover, notebook > header > tabs
 
 button.titlebutton:hover:active, button.sidebar-button:hover:active, notebook > header > tabs > arrow:hover:active, button.flat:hover:active { transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
 
-notebook > header > tabs > arrow:hover, button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); -gtk-icon-effect: highlight; }
+notebook > header > tabs > arrow:hover, button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); -gtk-icon-effect: highlight; }
 
 notebook > header > tabs > arrow:active, notebook > header > tabs > arrow:checked, button:active, button:checked { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; background-image: image(#d6d1cd); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; transition-duration: 50ms; }
 
-notebook > header > tabs > arrow:backdrop, button:backdrop.flat, button:backdrop { color: #929595; border-color: #d5d0cc; background-image: image(#f6f5f4); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); transition: 200ms ease-out; -gtk-icon-effect: none; }
+notebook > header > tabs > arrow:backdrop, button.flat:backdrop, button:backdrop { color: #929595; border-color: #d5d0cc; background-image: image(#f6f5f4); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); transition: 200ms ease-out; -gtk-icon-effect: none; }
 
-notebook > header > tabs > arrow:backdrop:active, notebook > header > tabs > arrow:backdrop:checked, button:backdrop.flat:active, button:backdrop.flat:checked, button:backdrop:active, button:backdrop:checked { color: #929595; border-color: #d5d0cc; background-image: image(#e4e4e0); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:active, notebook > header > tabs > arrow:backdrop:checked, button.flat:backdrop:active, button.flat:backdrop:checked, button:backdrop:active, button:backdrop:checked { color: #929595; border-color: #d5d0cc; background-image: image(#e4e4e0); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
-notebook > header > tabs > arrow:backdrop:disabled, button:backdrop.flat:disabled, button:backdrop:disabled { color: #d4cfca; border-color: #d5d0cc; background-image: image(#faf9f8); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:disabled, button.flat:backdrop:disabled, button:backdrop:disabled { color: #d4cfca; border-color: #d5d0cc; background-image: image(#faf9f8); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
-notebook > header > tabs > arrow:backdrop:disabled:active, notebook > header > tabs > arrow:backdrop:disabled:checked, button:backdrop.flat:disabled:active, button:backdrop.flat:disabled:checked, button:backdrop:disabled:active, button:backdrop:disabled:checked { color: #d4cfca; border-color: #d5d0cc; background-image: image(#e4e4e0); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+notebook > header > tabs > arrow:backdrop:disabled:active, notebook > header > tabs > arrow:backdrop:disabled:checked, button.flat:backdrop:disabled:active, button.flat:backdrop:disabled:checked, button:backdrop:disabled:active, button:backdrop:disabled:checked { color: #d4cfca; border-color: #d5d0cc; background-image: image(#e4e4e0); box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
 
 button.titlebutton:backdrop, button.sidebar-button:backdrop, notebook > header > tabs > arrow:backdrop, button.titlebutton:disabled, button.sidebar-button:disabled, notebook > header > tabs > arrow:disabled, button.flat:backdrop, button.flat:disabled, button.flat:backdrop:disabled { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -290,7 +290,7 @@ button.suggested-action { color: white; outline-color: rgba(255, 255, 255, 0.3);
 
 button.suggested-action.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; color: #3584e4; }
 
-button.suggested-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; border-bottom-color: #15539e; text-shadow: 0 -1px rgba(0, 0, 0, 0.511216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.511216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #3584e4, #3987e5 1px); }
+button.suggested-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; border-bottom-color: #15539e; text-shadow: 0 -1px rgba(0, 0, 0, 0.511216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.511216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 button.suggested-action:active, button.suggested-action:checked { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; background-image: image(#1961b9); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -322,7 +322,7 @@ button.destructive-action { color: white; outline-color: rgba(255, 255, 255, 0.3
 
 button.destructive-action.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; color: #e01b24; }
 
-button.destructive-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #b2161d; border-bottom-color: #851015; text-shadow: 0 -1px rgba(0, 0, 0, 0.558275); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.558275); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #e01b24, #e41c26 1px); }
+button.destructive-action:hover { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #b2161d; border-bottom-color: #851015; text-shadow: 0 -1px rgba(0, 0, 0, 0.558275); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.558275); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 button.destructive-action:active, button.destructive-action:checked { color: white; outline-color: rgba(255, 255, 255, 0.3); border-color: #b2161d; background-image: image(#a0131a); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -372,9 +372,9 @@ button.circular { border-radius: 9999px; -gtk-outline-radius: 9999px; padding: 4
 
 button.circular label { padding: 0; }
 
-button.circular:not(.flat):not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4), linear-gradient(to top, #bfb8b1 25%, #cdc7c2 50%); border-color: transparent; }
+button.circular:not(.flat):not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #bfb8b1 25%, #cdc7c2 50%); border-color: transparent; }
 
-button.circular:hover:not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px), linear-gradient(to top, #bfb8b1 25%, #cdc7c2 50%); border-color: transparent; }
+button.circular:hover:not(.osd):not(:checked):not(:active):not(:disabled):not(:backdrop) { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #bfb8b1 25%, #cdc7c2 50%); border-color: transparent; }
 
 stacksidebar row.needs-attention > label, .stack-switcher > button.needs-attention > label, .stack-switcher > button.needs-attention > image { animation: needs_attention 150ms ease-in; background-image: -gtk-gradient(radial, center center, 0, center center, 0.5, to(#3584e4), to(transparent)), -gtk-gradient(radial, center center, 0, center center, 0.5, to(rgba(255, 255, 255, 0.769231)), to(transparent)); background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; background-position: right 3px, right 4px; }
 
@@ -384,7 +384,7 @@ stacksidebar row.needs-attention > label:dir(rtl), .stack-switcher > button.need
 
 .inline-toolbar toolbutton > button { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-.inline-toolbar toolbutton > button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); }
+.inline-toolbar toolbutton > button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 .inline-toolbar toolbutton > button:active, .inline-toolbar toolbutton > button:checked { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; background-image: image(#d6d1cd); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -445,7 +445,7 @@ button.color colorswatch:only-child, button.color colorswatch:only-child overlay
 /* tone down as per new designs, see issue #1473, #1748 */
 list row button.image-button:not(.flat) { border: 1px solid rgba(205, 199, 194, 0.5); }
 
-list row button.image-button:not(.flat):hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); }
+list row button.image-button:not(.flat):hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 list row button.image-button:not(.flat):active, list row button.image-button:not(.flat):checked { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; background-image: image(#d6d1cd); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -602,15 +602,15 @@ searchbar > revealer > box { margin: -6px; padding: 6px; }
 
 .selection-mode button.titlebutton, .selection-mode .titlebar:not(headerbar) button.flat, .selection-mode.titlebar:not(headerbar) button.flat, .selection-mode headerbar button.flat, headerbar.selection-mode button.flat { border-color: transparent; background-color: transparent; background-image: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
-.selection-mode .titlebar:not(headerbar) button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .selection-mode headerbar button:hover, headerbar.selection-mode button:hover { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; border-bottom-color: #15539e; text-shadow: 0 -1px rgba(0, 0, 0, 0.511216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.511216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #3584e4, #3987e5 1px); }
+.selection-mode .titlebar:not(headerbar) button:hover, .selection-mode.titlebar:not(headerbar) button:hover, .selection-mode headerbar button:hover, headerbar.selection-mode button:hover { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; border-bottom-color: #15539e; text-shadow: 0 -1px rgba(0, 0, 0, 0.511216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.511216); box-shadow: inset 0 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 .selection-mode .titlebar:not(headerbar) button:active, .selection-mode .titlebar:not(headerbar) button:checked, .selection-mode.titlebar:not(headerbar) button:active, .selection-mode.titlebar:not(headerbar) button:checked, .selection-mode headerbar button:active, .selection-mode headerbar button:checked, .selection-mode headerbar button.toggle:checked, .selection-mode headerbar button.toggle:active, headerbar.selection-mode button:active, headerbar.selection-mode button:checked, headerbar.selection-mode button.toggle:checked, headerbar.selection-mode button.toggle:active { color: #ffffff; outline-color: rgba(255, 255, 255, 0.3); border-color: #1b6acb; background-image: image(#1961b9); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop, .selection-mode.titlebar:not(headerbar) button:backdrop, .selection-mode headerbar button:backdrop.flat, .selection-mode headerbar button:backdrop, headerbar.selection-mode button:backdrop.flat, headerbar.selection-mode button:backdrop { color: #d7e6fa; border-color: #3584e4; background-image: image(#3584e4); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); -gtk-icon-effect: none; border-color: #185fb4; }
+.selection-mode .titlebar:not(headerbar) button:backdrop, .selection-mode.titlebar:not(headerbar) button:backdrop, .selection-mode headerbar button.flat:backdrop, .selection-mode headerbar button:backdrop, headerbar.selection-mode button.flat:backdrop, headerbar.selection-mode button:backdrop { color: #d7e6fa; border-color: #3584e4; background-image: image(#3584e4); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); -gtk-icon-effect: none; border-color: #185fb4; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop:active, .selection-mode .titlebar:not(headerbar) button:backdrop:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:active, .selection-mode.titlebar:not(headerbar) button:backdrop:checked, .selection-mode headerbar button:backdrop.flat:active, .selection-mode headerbar button:backdrop.flat:checked, .selection-mode headerbar button:backdrop:active, .selection-mode headerbar button:backdrop:checked, headerbar.selection-mode button:backdrop.flat:active, headerbar.selection-mode button:backdrop.flat:checked, headerbar.selection-mode button:backdrop:active, headerbar.selection-mode button:backdrop:checked { color: #d5e6f9; border-color: #2f80e3; background-image: image(#2f80e3); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #185fb4; }
+.selection-mode .titlebar:not(headerbar) button:backdrop:active, .selection-mode .titlebar:not(headerbar) button:backdrop:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:active, .selection-mode.titlebar:not(headerbar) button:backdrop:checked, .selection-mode headerbar button.flat:backdrop:active, .selection-mode headerbar button.flat:backdrop:checked, .selection-mode headerbar button:backdrop:active, .selection-mode headerbar button:backdrop:checked, headerbar.selection-mode button.flat:backdrop:active, headerbar.selection-mode button.flat:backdrop:checked, headerbar.selection-mode button:backdrop:active, headerbar.selection-mode button:backdrop:checked { color: #d5e6f9; border-color: #2f80e3; background-image: image(#2f80e3); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #185fb4; }
 
-.selection-mode .titlebar:not(headerbar) button:backdrop:disabled, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled, .selection-mode headerbar button:backdrop.flat:disabled, .selection-mode headerbar button:backdrop:disabled, headerbar.selection-mode button:backdrop.flat:disabled, headerbar.selection-mode button:backdrop:disabled { color: #8fbbf0; border-color: #5396e8; background-image: image(#5396e8); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #185fb4; }
+.selection-mode .titlebar:not(headerbar) button:backdrop:disabled, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled, .selection-mode headerbar button.flat:backdrop:disabled, .selection-mode headerbar button:backdrop:disabled, headerbar.selection-mode button.flat:backdrop:disabled, headerbar.selection-mode button:backdrop:disabled { color: #8fbbf0; border-color: #5396e8; background-image: image(#5396e8); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #185fb4; }
 
 .selection-mode .titlebar:not(headerbar) button:backdrop:disabled:active, .selection-mode .titlebar:not(headerbar) button:backdrop:disabled:checked, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled:active, .selection-mode.titlebar:not(headerbar) button:backdrop:disabled:checked, .selection-mode headerbar button:backdrop:disabled:active, .selection-mode headerbar button:backdrop:disabled:checked, headerbar.selection-mode button:backdrop:disabled:active, headerbar.selection-mode button:backdrop:disabled:checked { color: #78aced; border-color: #2f80e3; background-image: image(#2f80e3); box-shadow: inset 0 1px rgba(255, 255, 255, 0); border-color: #185fb4; }
 
@@ -622,7 +622,7 @@ searchbar > revealer > box { margin: -6px; padding: 6px; }
 
 .selection-mode .titlebar:not(headerbar) button.suggested-action, .selection-mode.titlebar:not(headerbar) button.suggested-action, .selection-mode headerbar button.suggested-action, headerbar.selection-mode button.suggested-action { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); border-color: #185fb4; }
 
-.selection-mode .titlebar:not(headerbar) button.suggested-action:hover, .selection-mode.titlebar:not(headerbar) button.suggested-action:hover, .selection-mode headerbar button.suggested-action:hover, headerbar.selection-mode button.suggested-action:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); border-color: #185fb4; }
+.selection-mode .titlebar:not(headerbar) button.suggested-action:hover, .selection-mode.titlebar:not(headerbar) button.suggested-action:hover, .selection-mode headerbar button.suggested-action:hover, headerbar.selection-mode button.suggested-action:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); border-color: #185fb4; }
 
 .selection-mode .titlebar:not(headerbar) button.suggested-action:active, .selection-mode.titlebar:not(headerbar) button.suggested-action:active, .selection-mode headerbar button.suggested-action:active, headerbar.selection-mode button.suggested-action:active { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; background-image: image(#d6d1cd); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; border-color: #185fb4; }
 
@@ -712,9 +712,9 @@ treeview.view:backdrop { border-left-color: #c4c5c5; border-top: #f6f5f4; }
 
 treeview.view:drop(active) { border-style: solid none; border-width: 1px; border-color: #185fb4; }
 
-treeview.view:drop(active).after { border-top-style: none; }
+treeview.view.after:drop(active) { border-top-style: none; }
 
-treeview.view:drop(active).before { border-bottom-style: none; }
+treeview.view.before:drop(active) { border-bottom-style: none; }
 
 treeview.view.expander { -gtk-icon-source: -gtk-icontheme("pan-end-symbolic"); color: #4d4d4d; }
 
@@ -754,7 +754,7 @@ treeview.view button.dnd:active, treeview.view button.dnd:selected, treeview.vie
 
 treeview.view acceleditor > label { background-color: #3584e4; }
 
-treeview.view header button, treeview.view header button:hover, treeview.view header button:active { padding: 0 6px; background-image: none; border-style: none solid solid none; border-color: #f6f5f4; border-radius: 0; text-shadow: none; }
+treeview.view header button, treeview.view header button:hover, treeview.view header button:active { padding: 0 6px; background-image: none; border-style: none solid solid none; border-color: #d7d2ce; border-radius: 0; text-shadow: none; }
 
 treeview.view header button:disabled { border-color: #f6f5f4; background-image: none; }
 
@@ -919,21 +919,21 @@ notebook > header tab { min-height: 30px; min-width: 30px; padding: 3px 12px; ou
 
 notebook > header tab:hover { color: #2e3436; background-color: #edebe9; }
 
-notebook > header tab:hover.reorderable-page { border-color: rgba(205, 199, 194, 0.3); background-color: rgba(246, 245, 244, 0.2); }
+notebook > header tab.reorderable-page:hover { border-color: rgba(205, 199, 194, 0.3); background-color: rgba(246, 245, 244, 0.2); }
 
 notebook > header tab:backdrop { color: #babbbb; }
 
-notebook > header tab:backdrop.reorderable-page { border-color: transparent; background-color: transparent; }
+notebook > header tab.reorderable-page:backdrop { border-color: transparent; background-color: transparent; }
 
 notebook > header tab:checked { color: #2e3436; }
 
-notebook > header tab:checked.reorderable-page { border-color: rgba(205, 199, 194, 0.5); background-color: rgba(246, 245, 244, 0.5); }
+notebook > header tab.reorderable-page:checked { border-color: rgba(205, 199, 194, 0.5); background-color: rgba(246, 245, 244, 0.5); }
 
-notebook > header tab:checked.reorderable-page:hover { background-color: rgba(246, 245, 244, 0.7); }
+notebook > header tab.reorderable-page:checked:hover { background-color: rgba(246, 245, 244, 0.7); }
 
 notebook > header tab:backdrop:checked { color: #929595; }
 
-notebook > header tab:backdrop:checked.reorderable-page { border-color: #d5d0cc; background-color: #f6f5f4; }
+notebook > header tab.reorderable-page:backdrop:checked { border-color: #d5d0cc; background-color: #f6f5f4; }
 
 notebook > header tab button.flat { padding: 0; margin-top: 4px; margin-bottom: 4px; min-width: 20px; min-height: 20px; }
 
@@ -1014,13 +1014,13 @@ scrollbar.overlay-indicator:not(.dragging):not(.hovering) slider { margin: 0; mi
 
 scrollbar.overlay-indicator:not(.dragging):not(.hovering) button { min-width: 5px; min-height: 5px; background-color: #2e3436; background-clip: padding-box; border-radius: 100%; border: 1px solid white; -gtk-icon-source: none; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).horizontal slider { margin: 0 2px; min-width: 40px; }
+scrollbar.overlay-indicator.horizontal:not(.dragging):not(.hovering) slider { margin: 0 2px; min-width: 40px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).horizontal button { margin: 1px 2px; min-width: 5px; }
+scrollbar.overlay-indicator.horizontal:not(.dragging):not(.hovering) button { margin: 1px 2px; min-width: 5px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).vertical slider { margin: 2px 0; min-height: 40px; }
+scrollbar.overlay-indicator.vertical:not(.dragging):not(.hovering) slider { margin: 2px 0; min-height: 40px; }
 
-scrollbar.overlay-indicator:not(.dragging):not(.hovering).vertical button { margin: 2px 1px; min-height: 5px; }
+scrollbar.overlay-indicator.vertical:not(.dragging):not(.hovering) button { margin: 2px 1px; min-height: 5px; }
 
 scrollbar.overlay-indicator.dragging, scrollbar.overlay-indicator.hovering { opacity: 0.8; }
 
@@ -1067,7 +1067,7 @@ switch slider { margin: -1px; min-width: 24px; min-height: 24px; border: 1px sol
 
 switch image { color: transparent; }
 
-switch:hover slider { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #bfb8b1; box-shadow: inset 0 1px white, 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to bottom, white 10%, white 90%); }
+switch:hover slider { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #bfb8b1; box-shadow: inset 0 1px white, 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 switch:checked > slider { border: 1px solid #15539e; }
 
@@ -1249,7 +1249,7 @@ scale fill:disabled:backdrop, scale fill:disabled { border-color: transparent; b
 
 scale slider { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); background-image: linear-gradient(to bottom, white 20%, #f6f5f4 90%); box-shadow: inset 0 1px white, 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); border: 1px solid #b8b0a8; border-radius: 100%; transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94); transition-property: background, border, box-shadow; }
 
-scale slider:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #bfb8b1; box-shadow: inset 0 1px white, 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to bottom, white 10%, white 90%); }
+scale slider:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #bfb8b1; box-shadow: inset 0 1px white, 0 1px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 scale slider:active { border-color: #185fb4; }
 
@@ -1301,99 +1301,99 @@ scale.vertical.fine-tune indicator { min-width: 3px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above.png"), url("assets/slider-horz-scale-has-marks-above@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-hover.png"), url("assets/slider-horz-scale-has-marks-above-hover@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-active.png"), url("assets/slider-horz-scale-has-marks-above-active@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-insensitive.png"), url("assets/slider-horz-scale-has-marks-above-insensitive@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-backdrop.png"), url("assets/slider-horz-scale-has-marks-above-backdrop@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-before:not(.marks-after) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-above-backdrop-insensitive.png"), url("assets/slider-horz-scale-has-marks-above-backdrop-insensitive@2.png")); min-height: 26px; min-width: 22px; margin-top: -14px; background-position: top; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-top: -11px; }
+scale.horizontal.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-top: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below.png"), url("assets/slider-horz-scale-has-marks-below@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-hover.png"), url("assets/slider-horz-scale-has-marks-below-hover@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-active.png"), url("assets/slider-horz-scale-has-marks-below-active@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-insensitive.png"), url("assets/slider-horz-scale-has-marks-below-insensitive@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-backdrop.png"), url("assets/slider-horz-scale-has-marks-below-backdrop@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.horizontal.marks-after:not(.marks-before) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-horz-scale-has-marks-below-backdrop-insensitive.png"), url("assets/slider-horz-scale-has-marks-below-backdrop-insensitive@2.png")); min-height: 26px; min-width: 22px; margin-bottom: -14px; background-position: bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.horizontal.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-bottom: -11px; }
+scale.horizontal.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-bottom: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above.png"), url("assets/slider-vert-scale-has-marks-above@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-hover.png"), url("assets/slider-vert-scale-has-marks-above-hover@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-active.png"), url("assets/slider-vert-scale-has-marks-above-active@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-insensitive.png"), url("assets/slider-vert-scale-has-marks-above-insensitive@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-backdrop.png"), url("assets/slider-vert-scale-has-marks-above-backdrop@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-before:not(.marks-after) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-above-backdrop-insensitive.png"), url("assets/slider-vert-scale-has-marks-above-backdrop-insensitive@2.png")); min-height: 22px; min-width: 26px; margin-left: -14px; background-position: left bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-before:not(.marks-after).fine-tune slider { margin: -7px; margin-left: -11px; }
+scale.vertical.marks-before.fine-tune:not(.marks-after) slider { margin: -7px; margin-left: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below.png"), url("assets/slider-vert-scale-has-marks-below@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:hover { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-hover.png"), url("assets/slider-vert-scale-has-marks-below-hover@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:active { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-active.png"), url("assets/slider-vert-scale-has-marks-below-active@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-insensitive.png"), url("assets/slider-vert-scale-has-marks-below-insensitive@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:backdrop { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-backdrop.png"), url("assets/slider-vert-scale-has-marks-below-backdrop@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.vertical.marks-after:not(.marks-before) slider:backdrop:disabled { margin: -10px; border-style: none; border-radius: 0; background-color: transparent; background-image: -gtk-scaled(url("assets/slider-vert-scale-has-marks-below-backdrop-insensitive.png"), url("assets/slider-vert-scale-has-marks-below-backdrop-insensitive@2.png")); min-height: 22px; min-width: 26px; margin-right: -14px; background-position: right bottom; background-repeat: no-repeat; box-shadow: none; }
 
-scale.vertical.marks-after:not(.marks-before).fine-tune slider { margin: -7px; margin-right: -11px; }
+scale.vertical.marks-after.fine-tune:not(.marks-before) slider { margin: -7px; margin-right: -11px; }
 
 scale.color { min-height: 0; min-width: 0; }
 
@@ -1564,7 +1564,7 @@ row.activatable:backdrop:hover { background-color: transparent; }
 
 row.activatable:selected:active { box-shadow: inset 0 2px 3px -1px rgba(0, 0, 0, 0.5); }
 
-row.activatable:selected.has-open-popup, row.activatable:selected:hover { background-color: #347cd3; }
+row.activatable.has-open-popup:selected, row.activatable:selected:hover { background-color: #347cd3; }
 
 row.activatable:selected:backdrop { background-color: #3584e4; }
 
@@ -1635,9 +1635,9 @@ filechooserbutton:drop(active) { box-shadow: none; border-color: transparent; }
 /*********** Sidebar * */
 .sidebar { border-style: none; background-color: #fbfafa; }
 
-stacksidebar.sidebar:dir(ltr) list, stacksidebar.sidebar.left list, stacksidebar.sidebar.left:dir(rtl) list, .sidebar:not(separator):dir(ltr), .sidebar:not(separator).left { border-right: 1px solid #cdc7c2; border-left-style: none; }
+stacksidebar.sidebar:dir(ltr) list, stacksidebar.sidebar.left list, stacksidebar.sidebar.left:dir(rtl) list, .sidebar:not(separator):dir(ltr), .sidebar.left:not(separator) { border-right: 1px solid #cdc7c2; border-left-style: none; }
 
-stacksidebar.sidebar:dir(rtl) list, stacksidebar.sidebar.right list, .sidebar:not(separator):dir(rtl), .sidebar:not(separator).right { border-left: 1px solid #cdc7c2; border-right-style: none; }
+stacksidebar.sidebar:dir(rtl) list, stacksidebar.sidebar.right list, .sidebar:not(separator):dir(rtl), .sidebar.right:not(separator) { border-left: 1px solid #cdc7c2; border-right-style: none; }
 
 .sidebar:backdrop { background-color: #f9f9f8; border-color: #d5d0cc; transition: 200ms ease-out; }
 
@@ -1744,7 +1744,7 @@ infobar.info:backdrop, infobar.question:backdrop, infobar.warning:backdrop, info
 
 infobar.info button, infobar.question button, infobar.warning button, infobar.error button { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-infobar.info button:hover, infobar.question button:hover, infobar.warning button:hover, infobar.error button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); }
+infobar.info button:hover, infobar.question button:hover, infobar.warning button:hover, infobar.error button:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 infobar.info button:active, infobar.info button:checked, infobar.question button:active, infobar.question button:checked, infobar.warning button:active, infobar.warning button:checked, infobar.error button:active, infobar.error button:checked { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; background-image: image(#d6d1cd); box-shadow: inset 0 1px rgba(255, 255, 255, 0); text-shadow: none; -gtk-icon-shadow: none; }
 
@@ -1806,9 +1806,9 @@ colorswatch.light overlay:backdrop { color: rgba(0, 0, 0, 0.5); }
 
 colorswatch:drop(active) { box-shadow: none; }
 
-colorswatch:drop(active).light overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #3d7805, inset 0 0 0 1px #4e9a06; }
+colorswatch.light:drop(active) overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px #3d7805, inset 0 0 0 1px #4e9a06; }
 
-colorswatch:drop(active).dark overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.3), inset 0 0 0 1px #4e9a06; }
+colorswatch.dark:drop(active) overlay { border-color: #4e9a06; box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.3), inset 0 0 0 1px #4e9a06; }
 
 colorswatch overlay { border: 1px solid rgba(0, 0, 0, 0.3); }
 
@@ -1822,7 +1822,7 @@ colorswatch#add-color-button:only-child { border-radius: 5px; }
 
 colorswatch#add-color-button overlay { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; background-image: linear-gradient(to top, #edebe9 2px, #f6f5f4); text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
-colorswatch#add-color-button overlay:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); background-image: linear-gradient(to top, #f6f5f4, #f8f8f7 1px); }
+colorswatch#add-color-button overlay:hover { color: #2e3436; outline-color: rgba(46, 52, 54, 0.3); border-color: #cdc7c2; border-bottom-color: #bfb8b1; text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); box-shadow: inset 0 1px white, 0 1px 2px rgba(0, 0, 0, 0.07); }
 
 colorswatch#add-color-button overlay:backdrop { color: #929595; border-color: #d5d0cc; background-image: image(#f6f5f4); text-shadow: none; -gtk-icon-shadow: none; box-shadow: inset 0 1px rgba(255, 255, 255, 0); }