Better display for stream faces

app/assets/stylesheets/sidebar.scss

@@ -61,7 +61,11 @@
           display: inline-block;
         }
       }
-      .stream-faces img{ display: inline-flex; }
+      .stream-faces{
+        display: flex;
+        flex-flow: row wrap;
+        img{ margin: 1px; }
+      }
     }
   }
 }