html{
    width: 100%;
    height: 100%;
    background-image: url(https://customer.cotal.de/img/background.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.contentbox{
    width: 40%;
    position: relative;
    margin:auto;
    margin-top: 10%;
    margin-right: 27%;
    padding: 2%;
    background-color: rgba(255, 255, 255, 0.80);
    min-height: 40%;
    text-align: left;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16pt;
    border-radius: 25px;
}

a:hover{
    color:#a03c50;
}
a,a.visited{
    color:#860921;
}