Added white background to channel label list to avoid indicator in the background

style.sass

@@ -143,11 +143,12 @@ html, body
     background-color: $indicator-color
 
 .channel-labels
-    width: $channel-label-width - 2px
     position: absolute
     top: $header-height
     left: 0
-    border-right: 2px solid #fff
+    width: $channel-label-width - 2px
+    padding-right: 2px
+    background-color: #fff
 
     .label
         width: $channel-label-width - 13px