麻烦老师看一下代码有什么问题吗

来源：3-17 编程练习

Yuujio

2021-06-15 21:18:33

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
            *{
            margin: 0;
            padding: 0;
        }
      header{
        width: 100%;
        display: flex;
        font-size: 20px;
        justify-content: space-around;
        align-items: center;
        background-color: black;
      }
      header .nav{
        width: 600px; 
        display: flex;
        justify-content: space-around;
        color: aliceblue;
      }
      header .nav li{
        display: flex;
        justify-content: center;
        align-content: center;
        margin: 20px;
      }
      header .login{
          width: 200px;
          display: flex;
          justify-content: space-around;
          align-items: center;
      }
      header .login input{
          width: 50px;
          height: 30px;
          border: 1px solid rgb(224, 154, 24);
          border-radius: 5px;
          background-color: rgb(224, 154, 24);
      }
      section{
          margin-top: 20px;
          height: 100%;
          display: flex;
          justify-content: space-around;
          align-content: space-around;
          align-items: center;
      }
      section .section{      
        width: 40%; 
        height: 160px;
        background-color: rgba(96, 196, 226, 0.726);  
        border-radius: 5px;
        display: flex;
        justify-content: space-around;
        align-items: center;
      }
      section .section .box{
          height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-around;

      }
      .box div{
            line-height: 30px;
        }
        .shopping .btn{
            width: 100px;
            height: 45px;
            background-color: orange;
            text-align: center;
            line-height: 45px;
            border-radius: 10px;
            color: white;
        }
    </style>
</head>
<body>
<!-- 头部 -->
   <header>
     <div class="logo">
       <img src="http://climg.mukewang.com/59197ab000014f1503000100.jpg" 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>
    </section>  
</body>
</html>