html
{
	height:100%;
	background: url(herr.jpg) no-repeat center center fixed;
   -webkit-background-size: cover;
   -moz-background-size: cover;
   -o-background-size: cover;
   background-size: cover;
}

#click {
    height:100%;
    display:block;
    text-indent:-9999px;
}