51help TIY
码：
<!DOCTYPE html> <html> <head> <style> p { color:#000000; } :not(p) { color:#ff0000; } </style> </head> <body> <h1>这是标题</h1> <p>落。</p> <p>段落。</p> <div>这是 div 本。</div> <br> <a href="../index.htm" tppabs="http://www.51help.tk/" target="_blank">访问 51help ！</a> </body> </html>
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