:global html,
:global body {
    height: 100%;
    margin: 0;
}
:global body {
    min-width: 640px;
    font-family: Courier New, Courier, Lucida Sans Typewriter, Lucida Typewriter, monospace;
}
:global .app {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
:global .obj {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}