.einzel {
	position: fixed;
	top: 0;
	left: 0;
	background: rgba(0,0,0,0.8);
	height: 100%;
	width: 100%;
	z-index: 99;
	}

	.einzel span {
	position: absolute;
	top: 1%;
	right: 1%;
	font-size: 40px;
	font-weight: bolder;
	color: white;
	cursor: pointer;
	z-index: 100;
	}

	.einzel img {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	border: 2px solid white;
	max-width: 90%;
	max-height: 90%;
	}