html {
    font-size: clamp(14px, 1.1vw + 0.5rem, 18px);
}

body {
    background-image: url('../Bilder/pexels-pixabay-50711.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}