* {
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: Arial;
    font-size: 17px;
    background-color:black;
}
#myVideo {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -10;
    overflow: hidden;
    filter:opacity(70%);
}


.content {
    position: fixed;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    color: #f1f1f1;
    width: 100%;
    padding: 20px;
}


#myBtn {
    width: 200px;
    font-size: 18px;
    padding: 10px;
    border: none;
    background: #000;
    color: #fff;
    cursor: pointer;
}

#myBtn:hover {
    background: #ddd;
    color: black;
}


.header-logo {

    float: left;
    display: inline-block;
    position: absolute;z-index: 1 ;

}

.a, a:visited, a:link, a:active {
    color: white;
    text-decoration: none;

}

.DSGVO {
    display: inline-block;

    height: 100vh;
    overflow-y: scroll;
    font-size:12px;

}

.main {

    background: rgba(0, 0, 0, 0.5);
    color: #f1f1f1;
    width: 100%;
    padding: 20px;
    position: absolute;z-index: 1 ;

}