div 有个最小高度 里面的内容增加时,高度随着增加,有个最大高度
只要两个css属性就是行了:
min-height, max-height,
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.cont {
width: 800px;
margin: 20px auto;
background-color: azure;
}
.auto {
min-height: 200px;
background-color: bisque;
max-height: 500px;
overflow: auto;
}
p{
border:1px solid rebeccapurple;
}
</style>
</head>
<body>
<div class="cont">
<div class="auto">
<!-- 复制p 标签 -->
<p> Lorem, ipsum dolor sit amet consectetur adipisicing elit. Tenetur quibusdam sunt maxime dolore beatae veniam
porro, iste maiores, voluptatum dolorum placeat, possimus reiciendis praesentium aliquam quam exercitationem!
Suscipit, omnis labore?</p>
</div>
</div>
</body>
</html>
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