Improved sorl-thumbnail AdminImageMixin widget layout

admin_interface/templates/admin/base_site.html

@@ -420,6 +420,13 @@
     }
 
 
+    /* sorl-thumbnail - improved AdminImageMixin widget layout */
+
+    a.thumbnail + input[type="checkbox"] {
+        margin:10px 0;
+    }
+
+
     /* ckeditor + light theme - https://github.com/Ikimea/ckeditor-light-theme */
 
     .cke_inner, .cke_wysiwyg_frame {