flex

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
section {
   80%;
  height: 200px;
  border: 1px solid pink;
  margin: 100px auto;
  /*父盒子添加 flex*/
  display: flex; /*伸缩布局模式*/
  min- 500px;
  flex-direction: row-reverse; /*给父盒子添加 排列方式 可以是水平 也可以 是 垂直*/
  /* flex-direction: column; *//*垂直排列*/
}

section div:nth-child(1) {
  background-color: pink;
   200px;
}
section div:nth-child(2) {
  background-color: purple;
  margin: 0 5px;
   100px;
}
section div:nth-child(3) {
  background-color: pink;
  flex: 1;/*子盒子添加分数*/
}
section div:nth-child(4) {
  background-color: skyblue;
  flex: 1;/*子盒子添加分数*/
}
</style>
</head>
<body>
<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>
</body>
</html>

原文地址:https://www.cnblogs.com/pxxdbk/p/12560276.html