body {
	background-color: #16171f;
	padding: 0;
	margin: 0;
	-webkit-touch-callout:none;
	-webkit-user-select:none;
}

.base {
	position: absolute;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
}

.row1 {
	position: absolute;
	top: 0;
	left: 0;
	width: 100vw;
	height: 50vh;
	border: none;
}

.row2 {
	position: absolute;
	top: 50vh;
	left: 0;
	width: 100vw;
	height: 50vh;
	border: none;
}

.item {
	float: left;
	width: 33.3vw;
	height: 50vh;
}

iframe {
	border: none;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	background-size: cover;
	width: 100%;
	height: 100%;
}