function getRandomArbitrary(min, max) {
            return Math.random() * (max - min) + min;
        }
        function getRandomInt(min, max) {
            return Math.floor(Math.random() * (max - min + 1)) + min;
        }

        for (var i = 0; i < 10; i++) {
            $('body').append(`
                <div
                class="fake_div"
                style="
                    filter: blur(5px);
                    pointer-events: none;
                    opacity: 0.01;
                    border: 1px solid white;
                    transition: all .3s;
                    position: fixed;
                    left: 0;
                    top: 0;
                    width: 0px;
                    height: 0px;
                    border-radius: 20px;
                "></div>`);
        }
        $(window).on('scroll', function(e) {
            $('.fake_div').each(function(index, el) {
                $(el)
                    .css('border-bottom-width', getRandomInt(15, 20))
                    .css('box-shadow', `1px ${getRandomInt(1, 10)}px 10px`)
                    .css('transform', `
                        translate3d(${getRandomArbitrary(0, 10)}px, ${getRandomArbitrary(0, 10)}px, ${getRandomArbitrary(0, 10)}px)
                        rotate3d(0, 1, 0, ${getRandomArbitrary(0, 45)}deg)
                        scale3d(0.5, 0.5, 0.5)
                    `);
            });
        });