course full width on hover

app/less/app.less

@@ -103,6 +103,11 @@
   border-bottom: solid @grey-color 1px;
   overflow: hidden;
   cursor: pointer;
+  &:hover {
+    left: 0 !important;
+    width: 100% !important;
+    z-index: 10;
+  }
 }
 
 .day-column-courses {