diff --git a/css/default_shop.css b/css/default_shop.css
index 652094eef..9eff49ec1 100644
--- a/css/default_shop.css
+++ b/css/default_shop.css
@@ -188,8 +188,8 @@ a:hover, a:focus, a:active {color:#000;text-decoration:underline}
 .sctrl {margin:0;padding:0;list-style:none;zoom:1}
 .sctrl:after {display:block;visibility:hidden;clear:both;content:""}
 .sctrl li {position:relative;float:left;margin:0 0 0 -1px}
-.sctrl button {position:relative;margin:0;padding:0;width:19px;height:19px;border:0;cursor:pointer}
-.sctrl button span {position:absolute;top:0;left:0;width:100%;height:100%;border:1px solid #ccc;background:url('../shop/img/is_button.gif')}
+.sctrl button {position:relative;margin:0;padding:0;width:21px;height:21px;border:0;cursor:pointer;overflow:hidden}
+.sctrl button span {position:absolute;top:0;left:0;width:19px;height:19px;border:1px solid #ccc;background:url('../shop/img/is_button.gif')}
 .sctrl button.sctrl_play span {background-position:-60px 0}
 .sctrl button.sctrl_play span.sctrl_on {background-position:-60px -30px}
 .sctrl button.sctrl_stop span {background-position:-90px 0}