网页导航条css

/* 使用媒体查询实现响应式导航条 */
@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
  }
  .navbar a {
    text-align: center;
  }
}

/* 设置链接的激活状态样式 */
.navbar a.active {
  background-color: #4CAF50;
  color: white;
}

/* 设置导航条固定在页面顶部 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Navigation Bar Example</title>
  <style>
    .navbar {
      display: flex;
      justify-content: space-around;
      background-color: #333;
      padding: 10px;
    }
    .navbar a {
      color: white;
      text-decoration: none;
      padding: 14px 20px;
    }
    .navbar a:hover {
      background-color: #ddd;
      color: black;
    }
  </style>
</head>
<body>
  <div class="navbar">
    <a href="#home">Home</a>
    <a href="#services">Services</a>
    <a href="#about">About</a>
    <a href="#contact">Contact</a>
  </div>
  <div style="padding: 20px;">
    <!-- 页面内容 -->
  </div>
</body>
</html>