body, {
    display: block;
}

body {
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-image: url(1.jpg);
    font-family: Arial;
    line-height: 1.5;
}


* {
    margin: 0;
    padding: 0;
}


#mitte {
    display: block;
    margin-top: 10%;
    margin-right: 10%;
    margin-left: 60%;
    padding-bottom: 20px;
}

a {
    color: #00B315;
    text-decoration: none;
}