text: // ==UserScript==
  // @name        []style
  // @version     1.1.0
  // @grant       none
  // @author      dodying
  // @namespace   https://github.com/dodying/
  // @supportURL  https://github.com/dodying//UserJs/issues
  // @icon        https://raw.githubusercontent.com/dodying/UserJs/master/Logo.png
  // @run-at      document-end
  // @noframes
  // @include     *
  // ==/UserScript==
  (function () {
    const id = 'style_' + Math.random();
    const init = function () {
      if (!document.getElementById(id)) {
        const rule = [
          {
            url: '.*',
            style: [
              'a:visited{color:rgb(35,173,173)!important;}',
              '::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track-piece{background-color:transparent}body::-webkit-scrollbar-track-piece{background-color:white}::-webkit-scrollbar-thumb{background-color:#7d7d7d;border-radius:3px;min-height:10vh;}::-webkit-scrollbar-thumb:hover{background-color:#999}::-webkit-scrollbar-thumb:active{background-color:#666}'
            ]
          }
        ];
        const style = rule.filter(i => window.location.href.match(i.url)).map(i => [].concat(i.style).join('\n'));
        const ele = document.createElement('style');
        ele.id = id;
        ele.textContent = style.join('\n');
        document.head.appendChild(ele);
      }
    };
  
    init();
    var observer = new window.MutationObserver(init);
    observer.observe(document.head, {
      childList: true,
      subtree: true
    });
  })();
  