SOURCE

<h2>Groth</h2>
<div class="anim-png2"></div>

.anim-png2{
        width: 478px;
          height: 426px;
        background:url(http://mintdesigncompany.com/wp-content/themes/mintymint/imgs/mintPlant-sprite.png)no-repeat 0 0;
        -webkit-animation:leaf2 2000ms steps(54) infinite 0s;
    }
    @-webkit-keyframes leaf2{
        0%{
            background-position:-25812px 0;
        }
        100%{
            background-position: 0 0;
        }
    }