Fixed loading indicator (missing css/img), fixed #4018

interface/web/themes/default/assets/stylesheets/ispconfig.css

@@ -694,4 +694,17 @@ span.flag-zw {background-position:0 -5435px}
 .input-group-field:last-child {
     border-top-left-radius:0;
     border-bottom-left-radius:0;
+}
+
+#ajaxloader {
+    position: absolute;
+    width: 325px;
+    height: 150px;
+    background: #ffffff url('../images/ajax-loader.gif') no-repeat center center;
+    border: solid 2px #e1e1e1;
+    border-radius: 10px;
+    /*background: rgba(255, 255, 255, 0.85);*/
+    padding: 20px;
+    text-align:center;
+    z-index: 100;
 }
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