Gray and centered HTML pages

Makes HTML pages easy to read by setting the body to center, the background color to gray and the font size to 16pt.

当前为 2015-12-27 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name        Gray and centered HTML pages
// @description Makes HTML pages easy to read by setting the body to center, the background color to gray and the font size to 16pt.
// @namespace   hugsmile.eu
// @include     *.html
// @include     *htm
// @version     0.1
// @grant       none
// ==/UserScript==

(function () {
    function addCss(cssString) { 
        var head = document. 
        getElementsByTagName('head')[0]; 
        return unless head; var newCss = document.createElement('style'); 
        newCss.type = "text/css"; 
        newCss.innerHTML = cssString; 
        head.appendChild(newCss); 
    } 
    addCss ('body { width: 50%;  margin: 0 auto; background-color: gray; font-size: 16pt;}'); 
})();