9.10 flex-basisflex-basis 给弹性元素设置宽度同时设置width和flex-basis ,fl

<!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>
        .parent{
            width: 400px;
            height: 300px;
            background-color: #ccc;
            margin: 0 auto;
            display: flex;
            flex-direction: row;
        }
        .parent>div{
            width: 60px;
            height: 50px;
            color: white;
        }
        /* flex-basis 给弹性元素设置宽度 同时设置width和flex-basis ,flex-basis优先级高 */
        /* .div2{
            flex-basis: 100px;
        } */
        /* *********
        flex：number
        flex：flex-grow flex-shrink flex-basis 可以简写为flex属性 */
        /* .div2{
            flex: 0 1 200px;
        } */
        .div1{
            flex: 1;
        }
        .div2{
            /* flex: 2; */
        }
        /* flex属性只给其中一个弹性元素设置 表示将父容器剩余空间设置给这个弹性元素
            设置给多个元素 按照倍数划分 

        */
    </style>
</head>
<body>
    <div class="parent">
        <div class="div1" style="background-color: red;">弹性元素1</div>
        <div class="div2" style="background-color: green;">弹性元素2</div>
        <div class="div3" style="background-color: blue;">弹性元素3</div>
    </div>
</body>
</html>