.vantoz {
	height: 0;
	margin: 0; 
	padding: 0;
	position: relative;
	display: block;
	overflow: hidden;
	width: 100%;
}
.vantoz img{
	width: 100%;
}
.slider
{
	width: 100%;
}
.vantozslide {
	width: 100%;
	margin: 0;
	padding: 0;
	position: absolute;
	top: 0;
	left: 0;
	display: none;
	overflow: hidden;
}

.vantozslide img {
	max-width: 100%;
	height: auto;
	margin: 0;
	padding: 0;
	position: relative;
	display: block;
}

.next, .prev {
	width: 5%;
	background-color: #000;
	opacity: 0.1;
	height: 100%;
	margin: 0;
	position: absolute;
	top: 0;
}

.prev {
	left: 0%;
}

.next {
	right: 0%;
}

.prev:hover, .next:hover {
	cursor: pointer;
}