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分享提问:为什么css的子类和后代选择器在查找到后代的后代的时候使用hover会失效
上代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div>.a1>.a2 {
width: 500px;
height: 500px;
background-color: maroon;
}
.a1>.a2>.a3 {
width: 400px;
height: 400px;
background-color: magenta;
}
.a2>.a3>.a4 {
width: 300px;
height: 300px;
background-color: mediumpurple;
}
.a3>.a4>.a5 {
width: 200px;
height: 200px;
background-color: mediumslateblue;
}
.a1:hover,
.a2:hover,
.a3:hover,
.a4:hover {
width: 600px;
height: 600px;
}
</style>
</head>
<body>
<div>
<div class="a1">
<div class="a2">
<div class="a3">
<div class="a4">
<div class="a5">
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div>.a1>.a2 {
width: 500px;
height: 500px;
background-color: maroon;
}
.a1>.a2>.a3 {
width: 400px;
height: 400px;
background-color: magenta;
}
.a2>.a3>.a4 {
width: 300px;
height: 300px;
background-color: mediumpurple;
}
.a3>.a4>.a5 {
width: 200px;
height: 200px;
background-color: mediumslateblue;
}
.a1:hover,
.a2:hover,
.a3:hover,
.a4:hover {
width: 600px;
height: 600px;
}
</style>
</head>
<body>
<div>
<div class="a1">
<div class="a2">
<div class="a3">
<div class="a4">
<div class="a5">
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
...全文
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Logerlink 2020-10-14
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hover处的代码改为
更多可参考：https://www.cnblogs.com/zxjwlh/p/6213239.html
.a1:hover,
div>.a1>.a2:hover,
.a1>.a2>.a3:hover,
.a2>.a3>.a4:hover {
width: 600px;
height: 600px;
}
qq_34062976 2020-10-14
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额,第一次发帖子没弄好请见谅
