body {
    background: #312450;
}
.alterBildschirm {
    font-size: 28px;
    font-family: courier, terminal, monospace;
    font-weight: bold;
    color: #f5e50d;
    text-shadow: 2px 2px 2px #1809f1;
    width: 340px; height: 800px;
    background: #080000;
    padding: 25px;
    border-radius: 15px;
    margin: 30px auto;
    box-shadow: inset -1px 2px 10px 5px grey;
}