body {
	font-family: 'Open Sans', sans-serif;
	text-align:center;
	margin-top:50px;
}

h1 {
	font-size:35px;
}

.link {
	width:300px;
	height:300px;
	margin:30px;
}

.link:hover {
	opacity: .5;
  	transition: opacity .3s;
}