知识点1:
1.当儿子无样式的默认继承父亲的样式。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.c1{
color: red;
}
</style>
</head>
<body>
<dev class="c1">
<div class="c2">huchangxi</div>
</dev>
</body>
</html>
知识点1:
1.当儿子无样式的默认继承父亲的样式。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.c1{
color: red;
}
</style>
</head>
<body>
<dev class="c1">
<div class="c2">huchangxi</div>
</dev>
</body>
</html>