请用HTML代码写出默认状态为两个背景为黑色的边框,两个边框一上一下,合并在一起,中间有一条小白缝隙,边框内部文字分别为院系设置和行政机构的白色字体,悬浮状态时院系设置边框缓缓下拉出4个背景灰色边框白底字,分别为计科院,管理学院,艺术学院,商学院。字体需要居中
时间: 2023-10-02 17:13:59 浏览: 185
红色边框代码
以下是所描述的HTML代码:
```html
<div style="display: inline-block; position: relative;">
<div style="position: absolute; top: 0; left: 0; width: 100%; height: 50%; background-color: black;"></div>
<div style="position: absolute; bottom: 0; left: 0; width: 100%; height: 50%; background-color: black;"></div>
<div style="position: absolute; top: 50%; left: 0; width: 100%; height: 2px; background-color: white;"></div>
<div style="position: absolute; top: 0; left: 0; width: 100%; height: 50%; text-align: center; color: white; line-height: 50%; font-size: 20px;">院系设置</div>
<div style="position: absolute; bottom: 0; left: 0; width: 100%; height: 50%; text-align: center; color: white; line-height: 50%; font-size: 20px;">行政机构</div>
<div style="position: absolute; top: 50%; left: 0; width: 100%; height: 50%; transition: all 0.5s ease-in-out; background-color: white; overflow: hidden;">
<div style="height: 25%; width: 100%; background-color: #f2f2f2; text-align: center; line-height: 50px;">计科院</div>
<div style="height: 25%; width: 100%; background-color: #f2f2f2; text-align: center; line-height: 50px;">管理学院</div>
<div style="height: 25%; width: 100%; background-color: #f2f2f2; text-align: center; line-height: 50px;">艺术学院</div>
<div style="height: 25%; width: 100%; background-color: #f2f2f2; text-align: center; line-height: 50px;">商学院</div>
</div>
</div>
```
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