html, body {
    overflow: hidden;
    width: 100%;
    height: 100%;
    margin: 0;
    background-color: black;
}

#zuerkennen {
    position: absolute;
    left: 50%;
    top: 50%;
    text-align: center;
    vertical-align: middle;
    transform: translate(-50%, -50%);
    color: #339967;
    font-size: 100%;
    font-style: italic;
}

#dassesnichts {
    position: absolute;
    left: 50%;
    top: 50%;
    text-align: center;
    vertical-align: middle;
    transform: translate(-50%, -50%);
    color: #339967;
    font-size: 100%;
    font-style: italic;
    display: none;
}