index b33da3f..c824454 100644
--- a/autologout/autologout.js
+++ b/autologout/autologout.js
@@ -22,6 +22,7 @@ Drupal.behaviors.autologout = function (context) {
       modal: true,
       closeOnEscape: false,
       width: 'auto',
+      dialogClass: 'autologout-dialog',
       buttons: { 
         Reset: function() {
           $(this).dialog("destroy");