templates/githubpullrequest.mustache in onebox-1.2.7 vs templates/githubpullrequest.mustache in onebox-1.2.8

@@ -1,7 +1,7 @@
 {{#user.avatar_url}}
   <a href="{{user.html_url}}" target="_blank">
-    <img alt="{{user.login}}" src="{{user.avatar_url}}" class="thumbnail">
+    <img alt="{{user.login}}" src="{{user.avatar_url}}" class="thumbnail onebox-avatar">
   </a>
 {{/user.avatar_url}}
 
 <h4>
   <a href="{{html_url}}" target="_blank">{{title}}</a>