body {
    background-image: url('img/werner-fotografiert-1.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    color: darkblue
}

a:link {
    color: white;
    background-color: transparent;
    text-decoration: underline;
}

a:visited {
    color: white;
    background-color: transparent;
    text-decoration: none;
}

a:hover {
    color: blue;
    background-color: transparent;
    text-decoration: underline;
}

a:active {
    color: white;
    background-color: transparent;
    text-decoration: underline;
}