.achtergrondfoto {
    background-image: url("../images/achtergrondfoto-tate.webp");
    background-repeat: no-repeat;
    background-position: center;

    background-size: cover;
    width: 100%;
    height: 100vh;
    /*min-height: 40em;*/
    max-height: 20em;
    /*background-attachment: fixed;*/