Update XStatic-font-awesome to 4.7.0.04.7.0.0

Change-Id: I00ee1e574439598c9eebf0085bbe905bdc35102c

1 files changed, 36 insertions, 2 deletions

diff --git a/xstatic/pkg/font_awesome/data/scss/_mixins.scss b/xstatic/pkg/font_awesome/data/scss/_mixins.scss
index f96719b..c3bbd57 100644
--- a/xstatic/pkg/font_awesome/data/scss/_mixins.scss
+++ b/xstatic/pkg/font_awesome/data/scss/_mixins.scss
@@ -12,15 +12,49 @@
 }
 
 @mixin fa-icon-rotate($degrees, $rotation) {
-  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation});
+  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation})";
   -webkit-transform: rotate($degrees);
       -ms-transform: rotate($degrees);
           transform: rotate($degrees);
 }
 
 @mixin fa-icon-flip($horiz, $vert, $rotation) {
-  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation});
+  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=#{$rotation}, mirror=1)";
   -webkit-transform: scale($horiz, $vert);
       -ms-transform: scale($horiz, $vert);
           transform: scale($horiz, $vert);
 }
+
+
+// Only display content to screen readers. A la Bootstrap 4.
+//
+// See: http://a11yproject.com/posts/how-to-hide-content/
+
+@mixin sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0,0,0,0);
+  border: 0;
+}
+
+// Use in conjunction with .sr-only to only display content when it's focused.
+//
+// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
+//
+// Credit: HTML5 Boilerplate
+
+@mixin sr-only-focusable {
+  &:active,
+  &:focus {
+    position: static;
+    width: auto;
+    height: auto;
+    margin: 0;
+    overflow: visible;
+    clip: auto;
+  }
+}