.progress-bar {
  display: block;
  width: 100%;
  height: 4px;
  background-color: #eee;
  position: absolute;
  top: 0;
  left: 0;
}

.update-bar {
  height: 100%;
  width: 0%;
  background-color: #4285f4;
  transition: width 0.3s;
}

#ar-button {
  background: #4285f4;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 20px;
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 16px;
}

#ar-prompt {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
}

html, body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100%;
  width: 100%;
}

model-viewer {
  width: 100vw;
  height: 100vh;
  display: block;
}