* {
    box-sizing: border-box;
}

body {
    position: absolute;
    width: 100%;
    height: 100%;
    font-family: Bahnschrift, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.2rem;
    margin: 0px;
    padding: 20px;
    overflow: hidden;
}

.bg {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;

    background-image: url("../img/computer-ga99609869_1280.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    z-index: -1;
}

.bg::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.6);
}

.all-container {
    width: 100%;
    height: 100%;

    display: grid;
    grid-template-rows: auto;
    grid-template-columns: 250px auto;
    gap: 10px;
    /*background-color: rgba(255,0,0,0.2);*/
}

.left {
    display: grid;
    gap: 20px 0px;
    grid-template-rows: auto 1fr;
}

.logo {
    height: 200px;
    min-height: 60px;
    /*background-color: rgba(0,0,128,0.4);*/
    background-image: url('../img/TAusbZLw\ Logo\ 2022-03-02.svg');
    background-repeat: no-repeat;
    background-size: 60%;
    background-position: center;
}

nav {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    justify-content: center;
    column-gap: 3px;
    row-gap: 2px;
    padding: 20px;
    /*background-color: rgba(0,128,0,0.4);*/
    background-color: rgba(255,255,255,0.3);
    border-radius: 5px;
}

nav a {
    display: inline-block;
    width: 210px;
    height: 30px;
    line-height: 30px;
    padding-left: 15px;
    counter-reset: black;
    /*background-color: blueviolet;*/
    text-decoration: none;
    /*text-align: center;*/
    /*border: 1px solid black;*/
    border-left: 5px solid tomato;
    cursor: pointer;
}

nav a.active {
    background-color: rgba(255,99,71,0.3);
}

nav a:hover {
    background-color: rgba(230,230,230,0.6);
}

.right {
    display: grid;
    grid-template-rows: auto 1fr;
}

header {
    /*background-color: rgba(90,255,20,0.3);*/
    font-weight: 800;
    border-bottom: 2px solid gray;
    margin-bottom: 10px;
}

header h1 {
    font-size: 2rem;
    margin: 0px;
}

header h2 {
    font-size: 1.5rem;
    margin: 0px;
}


main {
    background-color: rgba(255,255,255,0.3);
    border-radius: 5px;
}


iframe {
    width: 100%;
    height: 100%;
    border: none;
}





@media screen and (max-width: 800px) {
    .all-container {
        grid-template-columns: auto;
        grid-template-rows: auto 1fr;
    }

    .logo {
        width: 80px;
        height: auto;
        order: 1;
    }

    .left {
        grid-template-columns: 1fr auto;
        gap: 0px 0px;
        /*background-color: rgba(16, 150, 4, 0.411);*/
    }

    nav a {
        width: 110px;
        height: 20px;
        line-height: 22px;
        font-size: 0.85rem;
        border: none;
        border-radius: 5px;
        text-align: center;
        padding-left: 0px;
    }

}