body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  background-color: black; /* the background color of your page (if you do not use skybox map) */
}

footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  
  font-family: "Source Code Pro", monospace;
  font-size: 12px;
  color: white;
  text-align: center;
}

a:link {
  text-decoration: none;
  color: white;
}

a:visited { 
  text-decoration: none; 
  color: white;
}

a:hover { 
  text-decoration: none; 
  color: yellow;
}

a:active { 
  text-decoration: none; 
  color: yellow;
}

hr {
  border-top: 0px solid white;
}

model-viewer {
  width: 100vw;
  height: 100vh;
  position: absolute;
  right: 0px;
  background-color: unset;
}


#ar-button {
 
  background-repeat: no-repeat;
  background-size: 100% auto;
  background-position: center;
  background-color: unset;

  position: absolute;
  margin-top: 30px;
  margin-right: 30px;

  top: 0;
  right: 0;

  white-space: normal;

  height: 60px;
  width: 60px;
  border-radius: 0px;
  border: 0px solid white;
}

#ar-button:active {
  opacity: 0.2;
}