<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title
</title>
<style>
.ele{
background-color: #ded6ee;
}
.ele:hover {
border: 1px solid cornflowerblue;
}
.ele:hover .ele-e{
color: #fff;}
</style>
</head>
<body>
<div class="ele">
<div class="ele-e">
123
</div>
<div class="el">
123
</div>
</div>
</body>
</html>
转载于:https://www.cnblogs.com/ezway/p/6939728.html
相关资源：不使用hover外部CSS样式实现hover鼠标悬停改变样式
