W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <head> <style> .dropdown { position: relative; 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); padding: 12px 16px; z-index: 1; } .dropdown:hover .dropdown-content { display: block; } </style> </head> <body> <h1>可悬停的下拉菜单</h1> <p>请把鼠标移到文本上，已查看下拉内容。</p> <div class="dropdown"> <span>把鼠标移到我上面</span> <div class="dropdown-content"> <p>Hello World!</p> </div> </div> </body> </html>