@media (max-width: 1200px) {
    #gesamt {
        width: 100%;
        margin: 0;
        box-shadow: none;
    }
    #header {
        /* background-size: contain !important; */
        background-position-y: center !important;
    }
}
@media (max-width: 600px) {
    #navigation-mobile {
        display: block;
    }
    #navigation {
        display: none;
    }
}
#navigation-mobile .selectnav {
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    border-radius: 0;
    background-color: #8B0000;
    color: white;
    font-weight: bold;
    padding: 0.5em;
    inset: unset;
    box-shadow: none;
    border: none;
}
@media (max-height: 800px) {
    #header {
        height: 200px;
    }   
}