<div> <details> <summary>我的消息</summary> <div> <a href>我的回答<sup>12</sup></a> <a href>我的私信</a> <a href>未评价订单<sup>2</sup></a> <a href>我的关注</a> </div> </details> </div> <p>这里放一段文字表明上面的是悬浮效果。</p>
3、树形菜单效果
CSS代码：
/* 隐藏默认三角 */ ::-webkit-details-marker { display: none; } ::-moz-list-bullet { font-size: 0; float: left; } details { padding-left: 20px; } summary::before { content: ''; display: inline-block; width: 12px; height: 12px; border: 1px solid #999; background: linear-gradient(to right, #999, #999) no-repeat center, linear-gradient(to top, #999, #999) no-repeat center; background-size: 2px 10px, 10px 2px; vertical-align: -2px; margin-right: 6px; margin-left: -20px; } [open] > summary::before { background: linear-gradient(to right, #999, #999) no-repeat center; background-size: 10px 2px; }
HTML代码：
<details> <summary>我的视频</summary> <details> <summary>爆肝工程师的异世界狂想曲</summary> <div>tv1-720p.mp4</div> <div>tv2-720p.mp4</div> ... <div>tv10-720p.mp4</div> </details> <details> <summary>七大罪</summary> <div>七大罪B站00合集.mp4</div> </details> <div>珍藏动漫网盘地址.txt</div> <div>我们的小美好.mp4</div> </details>