div.bg_mask {
	position:fixed;
	top: 0px;
	left: 0px;
	height: 100%;
	z-index: 2147483646 !important;
	width: 100%;
	background: #fff;
	opacity: .85;
	display: none;
}

div.interstitial_uc {
	position:relative;
	top: 0;
	left: 0;
	z-index: 2147483647 !important;
	display: none;
}

div.interstitial_uc .closeBtn {
	display: block;
	position: fixed;
	cursor: pointer;
	top: calc(50vh - 260px);
	right: calc(50% - 350px);
	width: 40px;
	height: 40px;
	background-repeat: no-repeat;
	background-color: #fff;
	border-radius: 40px;
	background-size: 40px auto;
	border: 2px solid #FFF;
	transition: filter 0.4s;
}

div.interstitial_uc .closeBtn:hover {
	filter: drop-shadow(0 3px 5px rgba(0,0,0,0.4));
}

div.interstitial_uc .bg{
	display: block;
	position: fixed;
	top: calc(50vh - 240px);
	left: 50%;
	border: 5px solid #FFF;
	border-radius: 5px;
	width: 640px;
	height: 480px;
	margin-left: -320px;
	background-repeat: no-repeat;
	background-size: 640px auto;
	transition-property:border;
	transition-duration: 0.5s;
	filter: drop-shadow(0px 3px 5px rgba(0,0,0,0.3));
}

div.interstitial_uc .bg:hover{
	border: #FFF 5px solid ;
}