html,
body {
  margin: 0;
  padding: 0;
  background: #ffffff;
  overflow: hidden;
}

#fullscreen {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: black;
  display: flex;
  justify-content: center;
  align-items: center;
}

#fullscreen canvas {
  object-fit: contain;
  max-height: 100%;
  max-width: 100%;
}
  #progress {
    color: #06004c;
    font-size: 1.2vw;
    font-family: "Lucida Console", "Courier New", monospace;
    font-weight: bold;
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }