<script>
function moveButton() {
let button = document.querySelector('.no'
let x = Math.random() * (window.innerWidth - button.offsetWidth);
let y = Math.random() * (window.innerHeight - button.offsetHeight);
button.style.left = x + 'px';
button.style.top = y + 'px';
}
</script>
</body>
</html>