html, body, header, mean, footer{
	margin: 0px;
	padding: 0px;
	width: 100%;
}

header{
	text-align: center;
}

footer{
	padding-top: 20px;
	padding-bottom: 20px;
}

#logo{
	max-width: 300px;
}

.arbeit{
	padding-left: 10px;
}