Classic theme: Dark color for header links. White color for loading spinner

app/assets/stylesheets/themes/ui_mars.scss

@@ -23,8 +23,12 @@
             background-color: #373D47;
           }
         }
+        .nav > li > a { color: #AAA; }
       }
     }
+    .turbolink-spinner {
+      color: #FFF;
+    }
 
     .separator {
       background: #31363E;