<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
/* 控制文字的属性都能继承; 不是控制文字的都不能继承 */
div {
color: red;
font-size: 30px;
height: 300px;
}
</style>
</head>
<body>
<div>
这是div标签里面的文字
<span>这是div里面的span</span>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div {
color: red;
font-size: 12px;
}
a {
color: red;
}
</style>
</head>
<body>
<div>
<a href="#">超链接</a>
<h1>一级标题</h1>
</div>
</body>
</html>