html,
body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    background: #000000;
    color: white;
}
#fb-root {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    margin: 0;
    cursor: default;
}
html,
body,
canvas {
    touch-action: none;
    touch-action-delay: none;
}