body {
	background-image:url(../Images/Halle576.jpg);
	background-repeat: no-repeat;
	background-size: cover;
}
a:link {
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}
#compl {
	margin-top: 20%;
}
@media (min-width: 576px) {
	body {
		background-image:url(../Images/Halle768.jpg);
	}
}

/* Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) {
	body {
		background-image:url(../Images/Halle992.jpg);
	}
}

/* Large devices (desktops, 992px and up)*/
@media (min-width: 992px) {
	body {
		background-image:url(../Images/Halle1200.jpg);
	}
}

/* Extra large devices (large desktops, 1200px and up)*/
@media (min-width: 1200px) {
	body {
		background-image:url(../Images/Halle1920.jpg);
	}
}