老师，我的这个写的有问题吗？

来源：3-17 编程练习

墨莫

2021-04-06 19:37:39

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        /*在此处补充代码*/
        header {
            box-sizing: border-box;
            /* border: 1px solid red; */
            display: flex;
            width: 100%;
            height: 100px;
            justify-content: space-between;
            align-items: center;
            background-color: black;
            padding: 10px 30px;
        }

        ul {
            /* box-sizing: border-box;
            border: 1px solid green; */
            display: flex;
            width: 40%;
            justify-content: space-between;
            align-items: center;
            color: white;
            font-size: 36px;
            list-style: none;
        }

        .login {
            display: flex;
            width: 10%;
            /* box-sizing: border-box;
            border: 1px solid green; */
            justify-content: space-between;
        }

        .login input {
            border-radius: 3px;
            background-color: yellow;
            border-color: rgba(0, 0, 0, 0);
        }

        /* 主体内容 */
        section {
            width: 100%;
            height: 500px;
            box-sizing: border-box;
            /* background-color: rgb(192, 79, 192); */
            font-size: large;

            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 20px;
        }

        section .section {
            width: 40%;
            height: 200px;
            background-color: rgb(192, 79, 192);
            border-radius: 10px;


            display: flex;
            justify-content: space-between;

        }

        section .section .box {
            flex-grow: 1;
            /* background-color: purple; */
            padding: 10px;


            display: flex;
            flex-direction: column;
            /* align-items: center; */
            justify-content: space-around;
        }

        section .section .shopping {
            /* background-color: rebeccapurple; */
            display: flex;
            flex-direction: column;
            /* align-items: center; */
            padding: 10px;

            justify-content: space-around;
        }

        section .section .shopping .btn {
            padding: 10px;
            border-radius: 5px;

            background-color: rgb(167, 167, 38);
            color: rgb(255, 255, 255);
            cursor: pointer;
        }
    </style>
</head>

<body>
    1、logo、导航项、登陆注册按钮这3项在水平和垂直方向上都对齐，而且它们之间的距离也相等。

    2、导航项各项之间的距离是一样的。

    3、登录、注册按钮之间的距离也是一样的。
    <header>
        <div class="logo">
            <img src="http://climg.mukewang.com/59feb59700019dab01910057.png" alt="">
        </div>
        <ul class="nav">
            <li>课程</li>
            <li>路径</li>
            <li>猿问</li>
            <li>手记</li>
        </ul>
        <div class="login">
            <input type="button" value="登录">
            <input type="button" value="注册">
        </div>
    </header>
    <!-- 主体内容 -->
    <section>
        <div class="section">
            <div class="box">
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            </div>
            <div class="shopping">
                <div class="btn">加入购物车</div>
            </div>
        </div>
        <div class="section">
            <div class="box">
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            </div>
            <div class="shopping">
                <div class="btn">加入购物车</div>
            </div>
        </div>
        <div class="section">
            <div class="box">
                <p>《前端小白入门手册》</p>
                <div>适用人群：没有任何前端基础的小白</div>
                <div>费用：￥499</div>
            </div>
            <div class="shopping">
                <div class="btn">加入购物车</div>
            </div>
        </div>
        <div class="section">
            <div class="box">
                <p>《HTML5月CSS3实现动态网页》</p>
                <div>适用人群：有html和css基础的童鞋</div>
                <div>费用：￥599</div>
            </div>
            <div class="shopping">
                <div class="btn">加入购物车</div>
            </div>
        </div>
    </section>
</body>

</html>