body {
  margin: 0;
  font-family: sans-serif;

  width: 100vw;
  height: 100vh;

  overflow: hidden;

  user-select: none;
}

#root, #ui-root {
  width: 100%;
  height: 100%;
}

#root {
  position: fixed;

  z-index: 1;
}

#ui-root {
  position: fixed;

  z-index: 2;
}