body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: #FFF;
    overflow: hidden;
    position: relative;
}

#artContainer {
    position: relative;
    overflow: hidden;
    width: 100vw;
    height: 100vh;    
}

#artContainer img {
    width: 100vw;
    height: auto;
    display: block;
}