diff --git a/pixelegg/css/mobile.css b/pixelegg/css/mobile.css
index dc076bf7a3..a69b3f71cd 100644
--- a/pixelegg/css/mobile.css
+++ b/pixelegg/css/mobile.css
@@ -6421,10 +6421,6 @@ a.textSidebox {
     display: inline-block;
     background-position: center;
   }
-  #egw_fw_basecontainer div#egw_fw_topmenu_items ul a#topmenu_prefs:active {
-    -webkit-transform: rotate(180deg);
-    transform: rotate(180deg);
-  }
   #egw_fw_basecontainer div#egw_fw_topmenu_items ul a#topmenu_acl:before {
     content: "";
     background-repeat: no-repeat;
diff --git a/pixelegg/css/mobile.less b/pixelegg/css/mobile.less
index ad3ae8289c..58db7d072a 100644
--- a/pixelegg/css/mobile.less
+++ b/pixelegg/css/mobile.less
@@ -212,10 +212,6 @@
 						display: inline-block;
 						background-position: center;
 					}
-					&:active {
-						-webkit-transform:rotate(180deg);
-						transform: rotate(180deg);
-					}
 				}
 
 				a#topmenu_acl:before {
diff --git a/pixelegg/images/dhtmlxtree/ajax-loader.gif b/pixelegg/images/dhtmlxtree/ajax-loader.gif
new file mode 100755
index 0000000000..84ee0a68b4
Binary files /dev/null and b/pixelegg/images/dhtmlxtree/ajax-loader.gif differ