源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> <style> #para1 { text-align:center; color:red; } </style> </head> <body> <p id="para1">Hello World!!!</p> <p>This paragraph is not affected by the style.</p> </body> </html>
运行结果：