             depth = layer.getAttribute('data-depth');                 movement = -(topDistance * depth);                 translate0d = 'translate0d(0, ' + movement + 'px, 0)';                 layer.style['-webkit-transform'] = translate0d;                 layer.style['-moz-transform'] = translate0d;                 layer.style['-ms-transform'] = translate0d;                 layer.style['-o-transform'] = translate0d;                 layer.style.transform = translate0d;         