html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: #000;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
  scrollbar-width: none;
}

body::-webkit-scrollbar,
html::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

#button {
  position: absolute;
  top: 0;
  left: 0;
  width: 110px;
  height: 200px;
  border: 0;
  display: block;
  transform-origin: 0 0;
  transform: scale(1, 1);
  touch-action: manipulation;
}