flex实现如下布局

企业微信截图_d7b54a70-b994-4e71-9380-a05de4f41fb6.png

<!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>
        .flex-box {
            width: 200px;
            height: 200px;
            background-color: green;
            display: flex;
            justify-content: space-between; /*定义项目在主轴上的对齐方式 */

        }
        .flex-item-box {
            width: 50px;
            height: 50px;
            background-color: red;
        }
        .flex-item-box:nth-child(2) {
            align-self: flex-end;
        }
    </style>
</head>
<body>
    <div class="flex-box">
        <div class="flex-item-box"></div>
        <div class="flex-item-box"></div>
    </div>
</body>
</html>

flex的一个面试点

flex实现如下布局

容易被忽视的 align-self