.messages.custom_unsupportedsystem{display:none;position:relative}.messages.custom_unsupportedsystem a.close{display:block;position:absolute;right:12px;top:12px;background:#840;color:#fff;font-size:14px;line-height:1;font-weight:700;font-family:sans-serif;width:20px;height:20px}.messages.custom_unsupportedsystem a.close:hover{text-decoration:none}.messages.custom_unsupportedsystem a.close span{display:block;position:absolute;left:0;top:3px;width:20px;height:auto;text-align:center}