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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
      /*在此处补充代码*/
      * {
        margin: 0;
        padding: 0;
      }
      li {
        list-style: none;
      }
      header {
        display: flex;
        background-color: #000;
        height: 60px;
        line-height: 60px;
        /* padding: 0 60px; */
        justify-content: space-around;
      }
      .nav {
        width: 500px;
        display: flex;
        justify-content: space-between;
      }
      .nav li {
        color: #fff;

      }

      .login input[type="button"] {
        width: 40px;
        height: 25px;
        border-radius: 4px;
        color: white;
        background-color: orange;
      }
    </style>
</head>
<body>
   <header>
     <div class="logo">
       <img src="http://img1.sycdn.imooc.com/climg//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>
</body>
</html>

xcn_aaaa 2022-12-06

源自：Flex弹性布局 2-9 编程练习