.modal-footer {
        padding: 2px 20px;
        background-color: blue;
        color: white;
        height:100px;
      }

      .modal-footer btn{
      background-color:orange;
      }



*:fullscreen
*:-ms-fullscreen,
*:-webkit-full-screen,
*:-moz-full-screen {
   overflow: auto !important;
}
   </style>
   <script>
   var el = document.documentElement
, rfs = // for newer Webkit and Firefox
       el.requestFullScreen
    || el.webkitRequestFullScreen
    || el.mozRequestFullScreen
    || el.msRequ