diff --git a/html/js/card.js b/html/js/card.js
index c9a2d6759..5c9414be7 100644
--- a/html/js/card.js
+++ b/html/js/card.js
@@ -296,7 +296,7 @@ function fill_ipopcard(obj)
     var content='card_'+card_layer;
     var nTop=posY-40;
     var nLeft=posX-20;
-    var str_style="top:"+nTop+";left:"+nLeft+";width:auto;height:auto";
+    var str_style="top:"+nTop+";left:"+nLeft+";width:35em;height:auto";
 
     var popup={'id':  content,'cssclass':'op_detail','style':str_style,'html':loading(),'drag':true};