H5:
<a href="https://bbs.csdn.net/topics/#" class="yi">aa
<div class="chu"></div>
</a>
CSS3:
a{
display: inline-block;
}
.yi:hover .chu{
display: block;
}
.chu{
display: none;
width: 100px;
height: 100px;
background-color: #ddd;
}
uj5u.com熱心網友回復:
?????什么轉載請註明出處,本文鏈接:https://www.uj5u.com/qianduan/269896.html
標籤:HTML(CSS)
上一篇:計數器的疑問
