Bookmarklet to turn any page in "dark mode"

javascript: (function() {
    var body = document.getElementsByTagName("body");
    var html = document.getElementsByTagName("html");
    var img = document.getElementsByTagName("img");
    body[0].style.background = "#131313";
    body[0].style.opacity = "1.0";
    html[0].style.filter = "brightness(115%) contrast(95%) invert(1) hue-rotate(180deg)";
    img[0].style.filter = "contrast(95%) invert(1)";
})();