style.css

.photo-grid {
	margin: 1em auto;
	max-width: 1106px;
	text-align: center;
}

.photo-grid li {
	border: 5px solid white;
	display: inline-block;
	margin: 1em;
	width: 289px;
}

.photo-grid img {
	display: block;
	height: auto;
	max-width: 100%;
}

.photo-grid figure {
	height: 163px;
	overflow: hidden;
	position: relative;
	width: 289px;
}

.photo-grid figcaption {
	background: rgba(0,0,0,0.8);
	color: white;
	display: table;
	height: 100%;
	left: 0;
	opacity: 0;
	position: absolute;
	right: 0;
	top: 0;
	z-index: 100;
}

.photo-grid figcaption p {
	display: table-cell;
	font-size: 1.5em;
	position: relative;
	top: -40px;
	width: 289px;
	vertical-align: middle;
}