@media only screen and (min-width: 1200px) {
    .section1-box {
        height: 100vh;
        background-image: url("img/scrolldown.png");
        background-attachment: fixed;
        background-size: cover;
    }
    .table-margin {
        margin: 40px;
    }
    .graebert {
        background-image: url("img/graebert.jpg");
        background-size: cover;
        height: 290px;
        width: 193px;
    }
}