{"css":"","js":"","html":"<html>\n    <head>\n        <meta charset=utf-8>\n        <style type=\"text/css\">\n            .box {\n                /*补全代码*/\n                width:4em;\n                height:4em\n            }\n        </style>\n    </head>\n    <body>\n        <div class='box'></div>\n    </body>\n</html>","libs":[]}