.wrapper {
	position: relative;
	float: left;
}

.element {
	position: relative;
	top: 0;
}

.header {
	position: relative;
	height: 100vh;
}

.cover {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-size: cover;
}

.overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 60%);
}

.title {
	position: absolute;
	bottom: 1em;
	left: 1em;
	right: 1em;
	color: #FFF;
	font-size: 2em;
}

.body {
	padding: 1em;
	font-size: 1.125em;
	line-height: 1.3;
}

.wrapper {
	position: relative;
	float: left;
}

.element {
	position: relative;
	top: 0;
}

.header {
	position: relative;
	height: 100vh;
}

.cover {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center center;
}

.overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 60%);
}

.title {
	position: absolute;
	bottom: 1em;
	left: 1em;
	right: 1em;
	color: #FFF;
	font-size: 2em;
}

.body {
	padding: 1em;
	font-size: 1.125em;
	line-height: 1.3;
	overflow-x: hidden;
}

Fix background position & overflow
Fix background position & overflow
