点击运行
<!DOCTYPE html> <html> <head> <style> ul { border-left: 5px solid red; background-color: #f1f1f1; list-style-type: none; padding: 10px 20px; } </style> </head> <body> <p>左边框为红色的列表：</p> <ul> <li>Coffee</li> <li>Tea</li> <li>Coca Cola</li> </ul> </body> </html>
运行结果
