<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Position Sticky Example</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>

<div class="header">固定的標題欄</div>

<div class="section">
  <h2>Section 1</h2>
  <p>這是一個段落內容，用來展示滾動效果...</p>
</div>

<div class="section">
  <h2>Section 2</h2>
  <p>這是一個段落內容，用來展示滾動效果...</p>
</div>

<div class="section">
  <h2>Section 3</h2>
  <p>這是一個段落內容，用來展示滾動效果...</p>
</div>

<div class="section">
  <h2>Section 4</h2>
  <p>這是一個段落內容，用來展示滾動效果...</p>
</div>

</body>
</html>

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.header {
  position: sticky;
  top: 0;
  background-color: #4CAF50; /* 綠色背景 */
  color: white;
  padding: 15px;
  font-size: 24px;
  text-align: center;
  border: 2px solid #388E3C; /* 深綠色邊框 */
}

.section {
  padding: 20px;
  height: 800px;
  background-color: #f0f0f0; /* 淺灰色背景 */
  border: 1px solid #ccc; /* 灰色邊框 */
  margin-bottom: 20px;
}

.section:nth-child(odd) {
  background-color: #e0e0e0; /* 交替的更深灰背景 */
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.