:not(:defined) > * {
  display: none;
}

html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

model-viewer {
  width: 180%;
  height: 130%;
  background-color: rgba(255, 255, 255, 0);
}
#ar-button {
    background-image: url(ar_icon.png);
    background-repeat: no-repeat;
    background-size: 20px 20px;
    background-position: 12px 50%;
    background-color: #fff;
    position: absolute;
    left: 50%;
      margin-top:10%;
    transform: translateX(-50%);
    white-space: nowrap;
    bottom: 16px;
    padding: 0px 16px 0px 40px;
    font-family: Roboto Regular, Helvetica Neue, sans-serif;
    font-size: 14px;
    color:#4285f4;
    height: 36px;
    line-height: 36px;
    border-radius: 18px;
    border: 1px solid #DADCE0;
      z-index:9;
          display: none;
    visibility: hidden;
    
  }

.progress-bar {
  display: block;
  width: 33%;
  height: 10%;
  max-height: 2%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  border-radius: 25px;
  box-shadow: 0px 3px 10px 3px rgba(0, 0, 0, 0.5), 0px 0px 5px 1px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.9);
  background-color: rgba(0, 0, 0, 0.5);
}

.progress-bar.hide {
  visibility: hidden;
  transition: visibility 0.3s;
}

.update-bar {
  background-color: rgba(255, 255, 255, 0.9);
  width: 0%;
  height: 100%;
  border-radius: 25px;
  float: left;
  transition: width 0.3s;
}