.menu-sub {
    width: 920px;
    margin-top: 10px;
}

    .menu-sub .menu-left {
        float: left;
        width: 450px;
    }

    .menu-sub .menu-right {
        float: right;
        width: 450px;
        /*    text-align: left;
*/
    }

    .menu-sub .menu-button-function {
        height: 40px;
        padding: 0 10px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 18px;
        font-weight: bold;
    }

    .menu-sub .menu-button {
        width: 400px;
        height: 50px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 20px;
        font-weight: bold;
        border-radius: 0.25rem;
    }

    .menu-sub .menu-button-little {
        width: 400px;
        height: 50px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 18px;
        font-weight: bold;
        border-radius: 0.25rem;
    }

    .menu-sub .menu-button-big {
        width: 420px;
        height: 100px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 32px;
        font-weight: bold;
        border-radius: 0.25rem;
    }

    .menu-sub .menu-button-tall {
        width: 400px;
        height: 80px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 24px;
        font-weight: bold;
        border-radius: 0.25rem;
    }

    .menu-sub .menu-button-tall-little {
        width: 400px;
        height: 80px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 20px;
        font-weight: bold;
        border-radius: 0.25rem;
    }

    .menu-sub .menu-button-xml {
        width: 450px;
        height: 50px;
        margin-top: 5px;
        margin-bottom: 5px;
        font-size: 16px;
        font-weight: normal;
        border-radius: 0.25rem;
        text-align: left;
    }