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<style> ul { list-style-type: none; margin: 0; padding: 0; overflow: hidden; background-color: #333; } li { float: left; } li a, .dropbtn { display: inline-block; color: white; text-align: center; padding: 14px 16px; text-decoration: none; } li a:hover, .dropdown:hover .dropbtn { background-color: #111; } .dropdown { display: inline-block; } .dropdown-content { display: none; position: absolute; background-color: #f9f9f9; min-width: 160px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); } .dropdown-content a { color: black; padding: 12px 16px; text-decoration: none; display: block; } .dropdown-content a:hover {background-color: #f1f1f1} .dropdown:hover .dropdown-content { display: block; } </style> </head> <body> <ul> <li><a class="active" href="#home">主页</a></li> <li><a href="#news">新闻</a></li> <div class="dropdown"> <a href="#" class="dropbtn">下拉菜单</a> <div class="dropdown-content"> <a href="#">链接 1</a> <a href="#">链接 2</a> <a href="#">链接 3</a> </div> </div> </ul> <h3>导航栏上的下拉菜单</h3> <p>鼠标移动到 "下拉菜单" 链接先显示下拉菜单。</p>转载地址：http://fefmi.baihongyu.com/