html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}
body {
    background-color: #000000;
    margin: 0;
}
* {
    border: none;
    margin: 0;
    padding: 0;
}
.fullscreen-not-scrollable {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0px;
    top: 0px;
    overflow: hidden;
    -webkit-overflow-scrolling: auto !important;
}