Update frontend/src/App.css

frontend/src/App.css

@@ -131,9 +131,13 @@ tr:nth-child(even) {
 } 
 
 .vanilla-bar {
+  width: 100%; 
   height: 14px;
+  background: #eee; 
   border-radius: 3px;
   opacity: 0.6;
+  overflow: hidden; 
+  position: relative;
 }