html, body {
    height: 100%;
    width: 100%;
    margin: 0px;
    padding: 0px;
    font-family: Helvetica, Arial, sans-serif;
    display: table;
}

.stephan {
    background: #45b439;
}

.franzi {
    background: #bd57da;
}

p {
    font-size:  8.0em;
    margin: 0px;
}

a {
    margin: 0px;
    padding: 0px; 
    height: 100%;
    width: 50%;
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    text-decoration: none;
    color: floralwhite;
}