OLED Pure Black Background

Change websites' background to pure black for OLED screens

当前为 2024-08-25 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name         OLED Pure Black Background
// @namespace    (link unavailable)
// @version      0.8
// @description  Change websites' background to pure black for OLED screens
// @author       Patrick Gomes
// @match        *://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
  'use strict';

  // Apply styles globally to make the background pure black and text readable
  const css = `
    html, body {
      background-color: #000000 !important;
    }
    * {
      background-color: transparent !important;
      color: #b0c4de !important; /* LightSteelBlue for text */
      border-color: #444444 !important; /* Dark gray borders to replace any potentially invisible borders */
    }
    a {
      color: #90ee90 !important; /* LightGreen for links */
    }
    img, video {
      filter: brightness(0.8) contrast(1.2); /* Adjust brightness and contrast of images and videos */
    }
  `;

  // Create a style element and add it to the document head
  const style = document.createElement('style');
  style.type = 'text/css';
  style.appendChild(document.createTextNode(css));
  document.head.appendChild(style);

  // Observe any changes in the DOM to ensure the styles are consistently applied
  const observer = new MutationObserver(function() {
    document.documentElement.style.backgroundColor = '#000000';
    document.body.style.backgroundColor = '#000000';
  });
  observer.observe(document, { childList: true, subtree: true });

})();

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