body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
}

header,
main,
footer {
    padding: 20px;
}

header {
    background: #333;
    color: #f5f500;
}

footer {
    background: #ddd;
    text-align: center;
    font-size: 0.9em;
}

hr {
    color: grey;
}


.linkbild {
    height: 27px;
    width: 27px;
}

#verlinkungstable,
#verlinkungstable:visited {
    width: 70%;
    margin-left: 15%;
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    text-align: center;
    text-decoration: none;
}