<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>選項卡(利用css中target)</title> <style> *{ margin:0; padding: 0; list-style:none ; text-decoration: none; } .tab{ width: 300px; height: 300px; border:1px solid black; } .tab-choose{ width: 100%; box-sizing: border-box; height: 40px; } .tab-choose li{ width: 30%; height: 40px; border: 1px solid #e1e1e1; float: left; text-align: center; line-height: 40px; font-size: 14px; margin-left: 2%; } .tab-con { width: 100%; height: 260px; text-align: center; line-height: 260px; font-size: 16px; } .tab-con ul li{ width: 100%; height: 100%; } .tab-con ul li { display: none; } .tab-con ul li:target { display: block; color: red; } </style> </head> <body> <div class="tab"> <ul class="tab-choose"> <li><a href="#page1">選擇一</a></li> <li><a href="#page2">選擇二</a></li> <li><a href="#page3">選擇三</a></li> </ul> <div class="tab-con"> <ul > <li id="page1">內容一</li> <li id="page2">內容二</li> <li id="page3">內容三</li> </ul> </div> </div> </body> </html>