             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;         