#divHeadless {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 550px;
    height: 800px;
}

#imgHeadlessGeckoBackground {
    position: fixed;
    width: 550px;
    height: 800px;
}

#divHeadlessGecko,
#divHeadlessGecko2 {
    width: 230px;
    position: relative;
    top: -93px;
    z-index: 2;
    left: 72px;
}