--- doc/tmpl/js/crd.js	2017/06/01 13:13:27	3266
+++ doc/tmpl/js/crd.js	2017/06/01 16:05:18	3267
@@ -62,6 +62,10 @@
     if ($.support["transform"]) {
         $("body").addClass("hasTransform");
     }
+    var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
+    if (iOS) {
+        $("body").addClass("iOS");
+    }
 }
 
 $(function() {