@import url('https://fonts.googleapis.com/css2?family=Gruppo&display=swap');
* {
    box-sizing: border-box;
}

.titel {
    color: white;
    font-family: 'Gruppo', cursive;
    text-shadow: 0 0 10px yellowgreen, 0 0 20px yellowgreen, 0 0 40px yellowgreen, 0 0 80px yellowgreen;
    font-size: 4rem;
}

.specialbutton {
    z-index: 99999999999999;
    position: fixed;
    background-color: lightslategrey;
    font-family: 'Gruppo', cursive;
    font-size: 4rem;
    text-align: center;
    padding: 15px 40px;
    display: inline-block;
    color: white;
    /*margin-left: 550px*/
    ;
}

.specialbutton:hover {
    background-color: red;
}

#element {
    position: absolute;
    top: 0x;
    /*left: 25px;*/
    width: 0px;
    height: 510px;
    background-color: yellowgreen;
    border: solid 4px white;
    box-shadow: 0 0 10px yellowgreen, 0 0 20px yellowgreen, 0 0 40px yellowgreen;
}

#stress {
    border: white 5px solid;
    width: 95vw;
    height: 65vh;
    /*padding: 10px;*/
}

.hintergrund {
    background-size: cover;
    background-color: black;
    /*background-image: url(/Bilder/Hintergrund.png);
    background-repeat: no-repeat;*/
}