html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #fff;
}

#unity-container {
  position: fixed;
  inset: 0;
}

#unity-canvas {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

#unity-canvas:focus {
  outline: none;
}

#unity-error {
  position: absolute;
  inset: 16px 16px auto;
  margin: 0;
  padding: 12px 16px;
  background: #fff;
  color: #9b2525;
  font: 14px/1.5 system-ui, sans-serif;
}