html {
background: url(images/palmavista-mallorca-fullsize-72dpi.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
background-attachment: fixed;
}
.svg-logo {
    margin-top: 20px;
    padding: 20px;
}
svg#Ebene_Logo {
    display: block;
    margin: auto;
    width: 30%;
}