/*body {
    background-color: black;
}*/

#landing {
    width: 1660px;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
    transition: height 1s;
}

    #landing img {
        width: 1660px;
        height: 600px;
        transition: width, height 1s;
    }

    #landing.hidden {
        height: 0px;
    }

        #landing.hidden img {
            width: 1660px;
            height: 0px;
        }