<html> <head> <title>属性练习</title> <head> <body style="background-color:#ff0000;"> <h1>Title</h1> <h2 style="background-color:#00ff00;">My friendship with HTML</h2> </body> </html>
<html> <head> <title>属性练习</title> <head> <body style="background-color:#ff0000;"> <h1>Title</h1> <h2 style="background-color:#00ff00;">My friendship with HTML</h2> </body> </html>