body {
	margin: 0;
	padding: 40px;
}

.gallery-items {
	float: left;
	position: relative;
	cursor: pointer;
	span {
		position: absolute;
		left: 50%;
		top: 50%;
		z-index: 10;
		color: #fff;
		font-size: 40px;
		transform: translate3d(-50%, -50%, 0);
	}
}