make avatar prettier

app/templates/common/macros.html

@@ -110,6 +110,12 @@
 {%- endcall -%}
 {%- endmacro %}
 
+{% macro avatar(url) -%}
+<div class="avatar-container">
+  <img src="{{url}}" class="avatar">
+</div>
+{%- endmacro %}
+
 {% macro full_post(
   post, render_sig=true, is_latest=false,
   show_toolbar=true, is_editing=false, thread=none,
@@ -124,7 +130,7 @@
 {%- set can_reply = (is_logged_in()) and (not thread.locked or is_mod()) -%}
 <div class="usercard plank even contrast-bg minimal no-shadow">
   <div class="usercard-inner">
-    <img src="{{post.avatar_path}}" class="avatar">
+    {{avatar(post.avatar_path)}}
     <div class="usercard-rest">
       <a href="{{url_for('users.user_page', username=post.username)}}">{{post.display_name if post.display_name else post.username}}</a>
       <abbr title="mention">@{{post.username}}</abbr>