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

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

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

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

footer.footer {
	padding-top:5rem;
	padding-bottom:5rem
}
footer.footer .social-link {
	display:block;
	height:4rem;
	width:4rem;
	line-height:4.3rem;
	font-size:1.5rem;
	background-color:#1d809f;
	transition:background-color .15s ease-in-out;
	box-shadow:0 3px 3px 0 rgba(0,0,0,.1)
}
footer.footer .social-link:hover {
	background-color:#155d74;
	text-decoration:none
}