body {
	overflow-y: scroll;
}

* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	padding: 0;
	margin: 0;
	border: 0;
}

.box {
	color: #fff;
	font-size: 3vw;
	display: flex;
    align-items: center;
    justify-content: center;
}

.module--horizontal {
	width: 100%;
	height: 320px;
	overflow: hidden;
}

.module--horizontal .box {
	width: 100%;
	height: 320px;
}

.module--vertical {
	width: 33.333%;
	height: 100vh;
	float: left;
	clear: none;
	overflow: hidden;
}

.module--vertical .box {
	width: 100%;
	height: 100%;
}