const tooltips = document.querySelectorAll('.tooltip');

document.addEventListener('mousemove', (e) => {
    for (let i = tooltips.length; i--;) {
        tooltips[i].style.left = e.pageX - tooltips[i].offsetWidth / 2 + 'px';
        tooltips[i].style.top = e.pageY - tooltips[i].offsetHeight + 'px';
    }
});