diff --git a/app/assets/stylesheets/stream_element.css.scss b/app/assets/stylesheets/stream_element.css.scss
index a3b2bc3e0..ac7f35c66 100644
--- a/app/assets/stylesheets/stream_element.css.scss
+++ b/app/assets/stylesheets/stream_element.css.scss
@@ -33,6 +33,8 @@
 }
 
 .stream_element {
+  &.highlighted { border-left: 3px solid $blue; }
+
   a.author {
     font-weight: bold;
     unicode-bidi: bidi-override;