style.css

/* Page Link
--------------------------------------------- */

.page-link {
	overflow: hidden;
	width: 100%;
}

.page-link a {
	display: block;
	float: left;
	width: 235px;
	height: 150px;
	background-size: cover;
	background-position: center center;
	position: relative;
	margin-left: 20px;
}

.page-link a:before {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	content: '';
	background: rgba( 0, 0, 0, .2 );
	z-index: 1;
	-webkit-transition: all 0.1s ease-in-out;
	-moz-transition:    all 0.1s ease-in-out;
	-ms-transition:     all 0.1s ease-in-out;
	-o-transition:      all 0.1s ease-in-out;
	transition:         all 0.1s ease-in-out;
}

.page-link a:hover:before {
	background: rgba( 0, 0, 0, .4 );
}

.page-link a:first-child {
	margin-left: 0;
}

.page-link a span {
	color: #fff;
	display: block;
	font-size: 32px;
	font-weight: 700;
	text-shadow: 0 2px 4px rgba( 0, 0, 0, .5 );
	position: absolute;
	top: 50%;
	left: 50%;
	width: 235px;
	text-align: center;
	text-decoration: none;
	-webkit-transform: translate( -50%, -50%);
	-moz-transform: translate( -50%, -50%);
	-ms-transform: translate( -50%, -50%);
	-o-transform: translate( -50%, -50%);
	transform: translate( -50%, -50%);
	z-index: 5;
}