div css商城模板

<style>
  .clearfix::after {
    content: "";
    display: table;
    clear: both;
  }
</style>

<div class="clearfix">
  <!-- 浮动元素 -->
</div>

@media screen and (max-width: 600px) {
  /* 在小屏幕设备上的样式 */
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>商城模板</title>
  <style>
    body {
      font-family: Arial, sans-serif;
    }
    .container {
      width: 90%;
      margin: 0 auto;
    }
    .header, .footer {
      background-color: #f1f1f1;
      padding: 20px;
      text-align: center;
    }
    .content {
      display: flex;
      justify-content: space-between;
    }
    .sidebar, .main {
      width: 48%;
      padding: 20px;
    }
    @media screen and (max-width: 600px) {
      .content {
        flex-direction: column;
      }
      .sidebar, .main {
        width: 100%;
      }
    }
  </style>
</head>
<body>
  <div class="container">
    <div class="header">商城首页</div>
    <div class="content">
      <div class="sidebar">分类导航</div>
      <div class="main">商品展示</div>
    </div>
    <div class="footer">版权信息</div>
  </div>
</body>
</html>