body {margin:0px;}
header {height:210px;text-align:left;}

#nav {position:absolute;left:0px;top:0px;text-align:left;font-weight:bold;}
#adresse {position:absolute;right:0px;top:0px;text-align:left;color:green;font-weight:bold;}

ul {list-style-type:none;}

a {text-decoration:none;}
footer a {color:blue;text-decoration:none;}
a:hover {color:red;}

footer {color:orange;font-weight:bold;text-align:left;}

#fotoGif {
    position:absolute;
    z-index:-1;
    top:0px;
    min-height:480px;height:100%;width:100%;
    background: url(brasilia.gif);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}    

main {position:absolute;top:240px;bottom:20px;left:0px;width:100%;overflow:auto;}
.titel {color:green;font-size:30px;font-weight:bold;}