wobble

$(function() {
    var x, y;
    var items = [].slice.call(document.querySelectorAll('*')).filter(function(el) {
        if (el.getClientRects().length == 0)
            return false;
        var ret = !(el.dataset['noMove'] === '');
        if (!ret)
            console.log(el.dataset);
        return ret;
    }).map(function(el) {
        var rect = el.getBoundingClientRect();
        el.x = rect.left;
        el.y = rect.top;
        el.w = rect.right - rect.left;
        el.h = rect.bottom - rect.top;
        el.fX = 100;
        el.fY = 1000;
        return el;
    });
    document.addEventListener('dragover', function(evt) {
        x = evt.clientX;
        y = evt.clientY;
    }, false);
    document.addEventListener('mousemove', function(evt) {
        x = evt.clientX;
        y = evt.clientY;
    }, false);
    (function _loop() {
        if (x && y) {
            var winWidth = window.innerWidth;
            var winHeight = window.innerHeight;
            var halfWidth = winWidth / 2;
            var halfHeight = winHeight / 2;
            var rx = x - winWidth / 2;
            var ry = winHeight / 2 - y;
            items.forEach(function(el) {
                var dx = el.w / el.fX * (rx / -halfWidth);
                var dy = el.h / el.fY * (ry / halfHeight);
                el.style['transform'] = el.style['-webkit-transform'] = 'translate(' + dx + 'px,' + dy + 'px)';
            });
        }
        requestAnimationFrame(_loop);
    })();
});