fix(footerBar): fixed top border position on retina displays. Closes #1661

Author: perrygovier

Diff for: scss/_bar.scss

@@ -68,30 +68,57 @@
 
   &.bar-light {
     @include bar-style($bar-light-bg, $bar-light-border, $bar-light-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-light-border, $bar-light-border 50%, transparent 50%);
+    }
   }
   &.bar-stable {
     @include bar-style($bar-stable-bg, $bar-stable-border, $bar-stable-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-stable-border, $bar-stable-border 50%, transparent 50%);
+    }
   }
   &.bar-positive {
     @include bar-style($bar-positive-bg, $bar-positive-border, $bar-positive-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-positive-border, $bar-positive-border 50%, transparent 50%);
+    }
   }
   &.bar-calm {
     @include bar-style($bar-calm-bg, $bar-calm-border, $bar-calm-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-calm-border, $bar-calm-border 50%, transparent 50%);
+    }
   }
   &.bar-assertive {
     @include bar-style($bar-assertive-bg, $bar-assertive-border, $bar-assertive-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-assertive-border, $bar-assertive-border 50%, transparent 50%);
+    }
   }
   &.bar-balanced {
     @include bar-style($bar-balanced-bg, $bar-balanced-border, $bar-balanced-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-balanced-border, $bar-positive-border 50%, transparent 50%);
+    }
   }
   &.bar-energized {
     @include bar-style($bar-energized-bg, $bar-energized-border, $bar-energized-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-energized-border, $bar-energized-border 50%, transparent 50%);
+    }
   }
   &.bar-royal {
     @include bar-style($bar-royal-bg, $bar-royal-border, $bar-royal-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-royal-border, $bar-royal-border 50%, transparent 50%);
+    }
   }
   &.bar-dark {
     @include bar-style($bar-dark-bg, $bar-dark-border, $bar-dark-text);
+    &.bar-footer{
+      background-image: linear-gradient(180deg, $bar-dark-border, $bar-dark-border 50%, transparent 50%);
+    }
   }
 
   // Title inside of a bar is centered