diff --git a/assets/css/directives/challenge-tile.scss b/assets/css/directives/challenge-tile.scss
index c919846d7..35fb4fd00 100644
--- a/assets/css/directives/challenge-tile.scss
+++ b/assets/css/directives/challenge-tile.scss
@@ -61,7 +61,9 @@ challenge-tile .challenge.tile-view {
 
   // roles bar is common for both active and completed
   .roles {
-    width: 100%;
+    width: 101%;
+    border: 1px solid #e0e0e0;
+    border-top: none;
     display: flex;
     flex-direction: row;
     justify-content: flex-start;