* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  cursor: none;
}
#screen {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
#screen img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  will-change: opacity, transform;
}
#waiting {
  position: absolute;
  inset: 45% 0;
  text-align: center;
  color: #fff;
  font: 22px sans-serif;
}