* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #02020a;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
#stars {
  display: block;
  width: 100vw;
  height: 100vh;
  width: 100dvw;
  height: 100dvh;
  touch-action: none;
  cursor: default;
}