Badge styling for all CSS

* Add post_id margin to allow non-badge posts to look OK
* Remove undeeded .badge_icon width as our nadges are bigger than OT

static/styles/beluga/style.css

@@ -1971,6 +1971,11 @@ a.last_read > svg {
   margin: 3px 6px;
 }
 
+.post_id {
+  font-weight: normal;
+  margin-bottom: 12px;  /* Hack to allow forum thread head column to look OK even if user has no displayed badges */
+}
+
 .forum_index h3, .forum_list h3 {
   margin-top: 24px;
 }