Turn the hole screen black till hovermouse
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/491238/1352698/overlay2078.js
document.addEventListener('DOMContentLoaded', function () {
const overlay = document.createElement('div');
overlay.classList.add('overlay');
document.body.appendChild(overlay);
overlay.style.position = 'absolute';
overlay.style.top = '-10vh';
overlay.style.left = '-10vw';
overlay.style.width = '120vw';
overlay.style.height = '420vh';
overlay.style.backgroundColor = 'black';
overlay.style.zIndex = '400';
document.body.addEventListener('mouseover', function () {
if (overlay) {
overlay.style.display = 'none';
}
});
document.addEventListener('touchstart', function () {
if (overlay) {
overlay.style.display = 'none';
}
});
document.addEventListener('mouseleave', function () {
if (overlay) {
overlay.style.display = 'none';
}
});
});