3D FlipBook - how to add a gif to a page

Hi, use css layer: https://www.youtube.com/watch?v=DD-gpMaP-84

Ive tried but cant get it to work. This is is what i tried:

      div.picture1 {
   width:480px;
   height:480px;
   image: url('https://image.gif');
 position: absolute;
        top: 500px;
        left: 200px;
}

HTML
<div class="picture1"></div>

and div class as picture 1 in html

use CSS

background-image: url('https://3dflipbook.net/images/theKingIsBlack.jpg');