@media screen and (max-width: 850px) {
    body {
        font-size: 12px;
    }

    pre {
        margin: unset;
    }

    code {
        font-size: 0.6rem;
    }

    header {
        padding: unset;
        grid-template-columns: unset;
    }

    #logo {
        width: 40px;
        height: auto;
    }

    #header_text {
        width: 150px;
    }

    #header_imgs {
        display: flex;
        flex-wrap: wrap;
        max-width: 70px;
        margin-left: auto;
        /* Verhindert, dass der Container breiter als der Viewport wird */
        box-sizing: border-box;
    }

    #header_imgs img {
        width: auto;
        height: 20px;

    }

    #header_text2 img {
        height: 20px;
        width: auto;
    }

    #header_text2 h2 {
        margin: unset;
    }


    nav {
        left: -300px;
        transition: left 0.4s ease-in-out;
    }

    nav.open {
        left: 0;
        transition: left 0.4s ease-in-out;
    }

    main {
        margin-left: unset;
    }

    #headline img {
        height: 30px;
        width: auto;
    }

    h2 {
        font-size: 1rem;
    }

    article ul {
        margin: 0;
    }

    .exres {
        margin: unset;
    }

    kbd {
        font-size: 0.6em;
        padding: 0.15em 0.25em;
    }

    #img_menu {
        display: unset;
    }

    #maindiv {
        font-size: 0.5rem;
    }

    .url-bar {
        font-size: 0.5rem;
    }

    .grid_01>div {
        grid-template-columns: 100px 1fr;
    }

    .grid_01 span {
        font-size: 0.6rem;
    }

    .attr_span {
        width: 90px;
    }

    li ul {
        font-size: 0.6rem;
    }
}