#centerAdBox .adItem{
	display:none;
	position:fixed;
	width:504px;
	height:293px;
	top:50%;
	left:50%;
transform: translate3d(-50%,-50%,0);
	z-index:999;
}
#centerAdBox .adItem a.closeAdBtn{
	position:absolute;
	display:block;
	width:50px;
	height:45px;
	top: 1px;
    right: 0px;
	cursor:pointer;
	opacity:0;
	filter:alpha(opacity=0);
}