W3School TIY Editor
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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> * { box-sizing: border-box; } ul { list-style-type: none; padding: 0; margin: 0; } ul li { border: 1px solid #ddd; margin-top: -1px; /* 防止双边框 */ background-color: #f6f6f6; padding: 12px; } </style> </head> <body> <h1>列表组</h1> <p>将基础列表转换为列表组：</p> <ul> <li>Adele</li> <li>Agnes</li> <li>Billy</li> <li>Bob</li> <li>Calvin</li> <li>Christina</li> <li>Cindy</li> </ul> </body> </html>