1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>一个简单的CSS示例</title> 6 <style> 7 .main{ 8 width: 800px; 9 margin: 0 auto; 10 } 11 p { 12 font-size: 30px; 13 color: yellow; 14 border: 2px; 15 text-align: center; 16 background: green; 17 } 18 19 </style> 20 </head> 21 <body> 22 <div class="main"> 23 <h1 align="center">一个简单的CSS示例</h1> 24 <p>Linux</p> 25 <p>Apache</p> 26 <p>MySQL</p> 27 <p>PHP</p> 28 </div> 29 </body> 30 </html>