Remove trailing whitespaces

app/assets/stylesheets/framework/header.scss

@@ -95,15 +95,14 @@
           &:hover,
           &:active,
           &:focus {
-            background-color: #1aaa55;
+            background-color: $green-500;
           }
           
           span {
             line-height: 15px;
-            
-            &:hover {
-              text-decoration: none;
           }
+          span:hover {
+              text-decoration: none;
           }
         }
       }