html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #b37dfe;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
}
#canvas {
  display: block;
  width: auto;
  height: auto;
  max-width: 100vw;
  max-height: 100vh;
  aspect-ratio: 4 / 3;
  visibility: hidden;
}
#load-percent {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 16px Arial, sans-serif;
  color: #fff;
  pointer-events: none;
}
#logo-page, #thumb-1, #thumb-2, #rurl {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}