html, body {
    height: 100% !important;
    width: 100% !important;
    margin: 0;
    background-color: #454b4f !important;
}
.touchpad {
    background-image:  
     url('icons/background.jpg');
     height: calc(95%);    
}

#overlay {
    position: fixed;
    display: none;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 2;
    cursor: pointer;
  }
  
  #text{
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 3vw;
    width: 55vw;
    color: white;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
  }