html, body {
    text-align: center;
    margin: 0;
    padding: 0;
    height: 100%;
    min-height: 100%;
    min-height: 100vh;
    overflow: auto;
}

#loader {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 20;
    opacity: 0.7;
}

#rendering-webgl {
    margin: auto;
    width: 100%;
    height: 100%;
    min-height: 900px;
    min-height: 100vh;
}

#loader {
    width: 100%;
    height: 100%;
    min-height: 900px;
    min-height: 100vh;
    display: none;
}

#error {
    background: url('https://portal-assets.dmc.partnerdev01ns.internsg.net/no-image/s.png') center center no-repeat; 
    width: 100%;
    height: 100%;
    min-height: 900px;
    min-height: 100vh;
}