源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> <style> p.center { text-align:center; } </style> </head> <body> <h1 class="center">This heading will not be affected</h1> <p class="center">This paragraph will be center-aligned.</p> </body> </html>
运行结果：