25% rounded avatars for all

css/converse.css

@@ -1439,7 +1439,7 @@
   #converse-embedded-chat .chat-head .avatar,
   #conversejs .chat-head .avatar {
     margin-right: 0.5em;
-    border-radius: 50%;
+    border-radius: 25%;
     float: left; }
   #converse-embedded-chat .chat-head.chat-head-chatbox,
   #conversejs .chat-head.chat-head-chatbox {

css/inverse.css

@@ -1504,7 +1504,7 @@ body {
   #converse-embedded-chat .chat-head .avatar,
   #conversejs .chat-head .avatar {
     margin-right: 0.5em;
-    border-radius: 50%;
+    border-radius: 25%;
     float: left; }
   #converse-embedded-chat .chat-head.chat-head-chatbox,
   #conversejs .chat-head.chat-head-chatbox {
@@ -1921,8 +1921,6 @@ body {
     line-height: 22px; }
   #conversejs .chat-head.chat-head-chatbox .close-chatbox-button {
     display: none; }
-  #conversejs .chat-head .avatar {
-    border-radius: 25%; }
 #conversejs .chatbox {
   height: 100%;
   margin: 0;

sass/_chatbox.scss

@@ -27,7 +27,7 @@
         position: relative;
         .avatar {
             margin-right: 0.5em;
-            border-radius: 50%;
+            border-radius: 25%;
             float: left;
         }
         &.chat-head-chatbox {

sass/inverse/_chatbox.scss

@@ -22,9 +22,6 @@
                 display: none;
             }
         }
-        .avatar {
-            border-radius: 25%;
-        }
     }
     .chatbox {
         height: 100%;