body, html{
	overflow:hidden;
}

#main_header{
	display:none;
}

.browser-warning-mask{
	position:fixed;
	top:0px;
	left:0px;
	width:100%;
	height:100%;
	background-color:#000;
	z-index:110;
	opacity: 0.8;
	-webkit-opacity: 0.8;
	-moz-opacity: 0.8;
	display:none;
}

.browser-warning{
	display:block;
}