Resolve "MR comment + system note highlight don't have the same width"

3 files changed, 64 insertions, 34 deletions

diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 71513199d84..13c9c6c9fb3 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -323,6 +323,7 @@ $note-disabled-comment-color: #b2b2b2;
 $note-targe3-outside: #fffff0;
 $note-targe3-inside: #ffffd3;
 $note-line2-border: #ddd;
+$note-icon-gutter-width: 55px;
 
 
 /*
diff --git a/app/assets/stylesheets/pages/note_form.scss b/app/assets/stylesheets/pages/note_form.scss
index 69fed4e6bf7..9877ed2cfd6 100644
--- a/app/assets/stylesheets/pages/note_form.scss
+++ b/app/assets/stylesheets/pages/note_form.scss
@@ -148,8 +148,20 @@
   padding: 6px 0;
 }
 
-.notes-form > li {
-  border: 0;
+.notes.notes-form > li.timeline-entry {
+  @include notes-media('max', $screen-sm-max) {
+    padding: 0;
+  }
+
+  .timeline-content {
+    @include notes-media('max', $screen-sm-max) {
+      margin: 0;
+    }
+  }
+
+  .timeline-entry-inner {
+    border: 0;
+  }
 }
 
 .note-edit-form {
diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index b6988c01b4a..f0dbe4249c5 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -14,16 +14,6 @@ ul.notes {
   margin: 0;
   padding: 0;
 
-  .timeline-content {
-    margin-left: 55px;
-
-    &.timeline-content-form {
-      @include notes-media('max', $screen-sm-max) {
-        margin-left: 0;
-      }
-    }
-  }
-
   .note-created-ago,
   .note-updated-at {
     white-space: nowrap;
@@ -46,17 +36,49 @@ ul.notes {
     }
   }
 
-  > li {
-    padding: $gl-padding $gl-btn-padding;
+  > li { // .timeline-entry
+    padding: 0;
     display: block;
     position: relative;
-    border-bottom: 1px solid $white-normal;
+    border-bottom: 0;
+
+    @include notes-media('min', $screen-sm-min) {
+      padding-left: $note-icon-gutter-width;
+    }
 
-    &:last-child {
-      // Override `.timeline > li:last-child { border-bottom: none; }`
+    .timeline-entry-inner {
+      padding: $gl-padding $gl-btn-padding;
       border-bottom: 1px solid $white-normal;
     }
 
+    &:target,
+    &.target {
+      border-bottom: 1px solid $white-normal;
+
+      &:not(:first-child) {
+        border-top: 1px solid $white-normal;
+        margin-top: -1px;
+      }
+
+      .timeline-entry-inner {
+        border-bottom: 0;
+      }
+    }
+
+    .timeline-icon {
+      @include notes-media('min', $screen-sm-min) {
+        margin-left: -$note-icon-gutter-width;
+      }
+    }
+
+    .timeline-content {
+      margin-left: $note-icon-gutter-width;
+
+      @include notes-media('min', $screen-sm-min) {
+        margin-left: 0;
+      }
+    }
+
     &.being-posted {
       pointer-events: none;
       opacity: 0.5;
@@ -73,7 +95,7 @@ ul.notes {
     }
 
     &.note-discussion {
-      &.timeline-entry {
+      .timeline-entry-inner {
         padding: $gl-padding 10px;
       }
     }
@@ -152,13 +174,8 @@ ul.notes {
 
   .system-note {
     font-size: 14px;
-    padding-left: 0;
     clear: both;
 
-    @include notes-media('min', $screen-sm-min) {
-      margin-left: 65px;
-    }
-
     .note-header-info {
       padding-bottom: 0;
     }
@@ -192,13 +209,16 @@ ul.notes {
     .timeline-icon {
       float: left;
 
+      @include notes-media('min', $screen-sm-min) {
+        margin-left: 0;
+        width: auto;
+      }
+
       svg {
         width: 16px;
         height: 16px;
         fill: $gray-darkest;
-        position: absolute;
-        left: 0;
-        top: 2px;
+        margin-top: 2px;
       }
     }
 
@@ -639,15 +659,12 @@ ul.notes {
 .discussion-body,
 .diff-file {
   .notes .note {
-    padding-left: $gl-padding;
-    padding-right: $gl-padding;
-
-    &.system-note {
-      padding-left: 0;
+    border-bottom: 1px solid $white-normal;
 
-      @media (min-width: $screen-sm-min) {
-        margin-left: 70px;
-      }
+    .timeline-entry-inner {
+      padding-left: $gl-padding;
+      padding-right: $gl-padding;
+      border-bottom: none;
     }
   }
 }