RUNOOB.COM
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>电脑学习网教程(runoob.com)</title> <style> p.normal {font-weight:normal;} p.light {font-weight:lighter;} p.thick {font-weight:bold;} p.thicker {font-weight:900;} </style> </head> <body> <p class="normal">This is a paragraph.</p> <p class="light">This is a paragraph.</p> <p class="thick">This is a paragraph.</p> <p class="thicker">This is a paragraph.</p> </body> </html>
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