body {
    margin: 0px;
    overflow: hidden;
    background-color: #D8E7FF;
    margin-left: 45%;
    margin-top: 25%;
    margin-right: 50%;
  }
  #example {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background-color: #D8E7FF;
  }
  #loadMsg {
    position: absolute;
    z-index: 2;
    color: white;
    font-size: 3em;
    display: block;
    margin-left: auto;
    margin-right: auto;
    color: white;
  }
  #goButton {
    background-color: blue;
  }