body { background-color: #000; font-family: Arial; color:white;}
.titelbild { background-color: #000; text-align: center; }
.browser { position: fixed; top: 730px; left: 60%; }
.enter { position: absolute; top: 620px; left: 40%; }
.button {text-align: center;font-size:large;}
.body_browser{width:60%; margin-left:20%;}