main {
	margin-bottom: 100px;
}
.pic{
	display: grid;
	height:700px;
	width:100%;
	background: url("img/concrete.jpg") no-repeat center;
	background-size: cover;
	background-attachment: fixed;
}
.pic h1{
	background: none;
	color: black;
	place-self: center;
	font-family: 'Bitter', serif;
	font-size: 150px;
}
.portals {
	padding-bottom: 30px;
	display: inline-block;
	display: grid;
	color: white;
	text-align: center;
	grid-gap: 2em;
}

.portals div{
	padding: 50px;
	transition-duration: 1s;
	transition-property: box-shadow;
}

.portals a{
	display: inline-block;
	text-decoration: none;
}

.portals div:hover{
	box-shadow: 0px 0px 30px 0px #363636;
}

.portals h2{
	font-family: 'Bitter', serif;
}