ul.teaserpicture
{
	list-style: none;
	margin: 0;
	padding: 0;
}

ul.teaserpicture li
{
	display: block;
	float: left;
	margin: 0;
	padding: 0;
	position: relative;
	box-sizing: border-box;
}

ul.teaserpicture img
{
	display: block;
	float: left;
	border: none;
	width: 100%;
	height: auto;
	box-sizing: border-box;
}

ul.teaserpicture a:focus-visible img {
	filter: brightness(50%) contrast(75%);
}