body, html{
  font-family: 'Arial', sans-serif;
  font-size: 14px;
  min-width: 100%;
  min-height: 100%;
}

div#output{
  color: black;
  opacity: 0.5;
  text-align: center;
  padding: 20px;
}

div#spinner{
  position: absolute;
  top: 10px;
  left: 49%;
}

iframe#tableau{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}