{"css":"","js":"","html":"<html>\n    <head>\n        <meta charset=utf-8>\n        <style type=\"text/css\">\n            /*补全代码*/\n            ul li:nth-child(even) {\n                background:rgb(255,0,0)\n            }\n        </style>\n    </head>\n    <body>\n        <ul>\n            <li>1</li>\n            <li>2</li>\n            <li>3</li>\n            <li>4</li>\n        </ul>\n    </body>\n</html>","libs":[]}