html, body{
	width: 100%;
	margin: 0;
	padding: 0;
	overflow-x: hidden;
	overflow-y: auto;
}
img{
	width: 100%;
	display: block;
}
.preloader{
	width: 100%;
	height: 100%;
	position: fixed;
	left: 0;
	top: 0;
	background-color: rgba(0, 0, 0, .9);
	font-size: 24px;
	color: #fff;
	text-align: center;
}
.preloader>div{
	width: 100%;
	margin-top: 50%;
}