.art-container {
    max-width: 1920px;
    max-height: 1080px;
    width: 100%;
    height: 100%;
    background-image: url("../assets/images/hell.jpg");
    background-position: center;
    background-size: cover; 
    position: relative;
}

.img-container {
    position: absolute;
}

img {
    width: 100%;
    height: 100%;
}

#img12 {
    width: 840px;
    height: 840px;
    left: 850px;
    top: 175px;
}

#img16 {
    width: 120px;
    height: 60px;
    left: 0px;
    top: 0px;
}