1. 浮动,清除浮动
<!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>
li {
list-style: none;
height: 30px;
width: 100px;
float: left;
background-color: green;
margin-left: 20px;
}
ul {
background-color: pink;
/* height: 50px; */
/* 我想要的就是ul的尺寸是根据li的尺寸来自动确定 */
/* 清除浮动，解决内容坍塌 */
}
/* 推荐使用的清除浮动 */
.ulstyle:after{
content: '';
height: 0;
line-height: 0;
display: block;
visibility: hidden;
clear: both;
}
</style>
</head>
<body>
<ul class="ulstyle">
<li>1111</li>
<li>2222</li>
<!-- <div style="clear: both;"></div> -->
</ul>
</body>
</html>2.
/* 可见性 */
visibility: hidden; */
/* 溢出策略 */
overflow:scroll;
/*溢出滚动,溢出隐藏*/
overflow: hidden;标签：浮动,color,0823,浅学,height,溢出,hidden,li,css From： https://www.cnblogs.com/yjjy/p/16617883.html