* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  min-height: calc(100% + env(safe-area-inset-top));
  background-color: #000;
}

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  overscroll-behavior: none;
  background: black;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#main {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  display: block;
  touch-action: none;
  cursor: crosshair;
}