add a better style for anon cat hamburger

app/assets/stylesheets/common/base/header.scss

@@ -154,6 +154,12 @@
 
     @include box-shadow(0 2px 2px rgba($primary, .4));
 
+  // note these topic counts only appear for anons in the category hamburger drop down
+  b.topics-count {
+    color: scale-color($primary, $lightness: 50%);
+    font-weight: normal;
+  }
+
   ul {
     margin: 0;
     list-style: none;