Merge pull request #1176 from KevinLeigh/issue-1175-user-challenges-style-issue

Issue #1175: Profile - user challenges style issue

Author: ThomasKranitsas

src/shared/components/ChallengeTile/style.scss

@@ -594,7 +594,7 @@ div .challenge.tile-view {
 
       .winner-ribbon {
         position: absolute;
-        z-index: 100;
+        z-index: 1;
         bottom: -33px;
         left: -2px;