.overlap {
	position: absolute;
	top: 28vh;
	left: 40vw;
}

.scroll-to-top {
	position: fixed;
	right: 15px;
	bottom: 3px;
	display: none;
	width: 50px;
	height: 50px;
	text-align: center;
	color: white;
	background: rgba(52, 58, 64, 0.5);
	line-height: 45px;
	z-index: 1;
}

.scroll-to-top:focus, .scroll-to-top:hover {
	color: white;
}

.scroll-to-top:hover {
	background: #343a40;
}

.scroll-to-top i {
	font-weight: 800;
}

header.masthead {
	padding-top: 10rem;
	padding-bottom: calc(10rem - 56px);
	background-image:
		url(https://images.unsplash.com/photo-1528357136257-0c25517acfea?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=657baf11861b8971278ece273855bce2&auto=format&fit=crop&w=1950&q=80);
	background-position: center center;
	background-size: cover;
	height: 100vh;
}

header.masthead hr {
	margin-top: 30px;
	margin-bottom: 30px;
	max-width: 50px;
}

header.masthead .title {
	background: #2b282847;
	font-size: 3.5rem;
}

header.masthead .subtitle {
	background: #2b282847;
	font-size: 1.3rem;
}

@media ( min-width :768px) {
	header.masthead .title {
		font-size: 5rem;
	}
	header.masthead .subtitle {
		font-size: 1.6rem;
	}
}

@media ( min-width :992px) {
	header.masthead {
		height: 100vh;
		min-height: 650px;
		padding-top: 0;
		padding-bottom: 0
	}
	header.masthead .title {
		font-size: 6rem;
	}
	header.masthead .subtitle {
		font-size: 2rem;
	}
}

@media ( min-width :1200px) {
	header.masthead .title {
		font-size: 6rem;
	}
	header.masthead .subtitle {
		font-size: 2rem;
	}
}