Css 我的网站没有滚动，我该怎么办？

我正在处理我的公文包页面，当我编写html和css时，网站没有滚动。我看不到代码，只有第一部分

以下是html：

<navbar id="navbar">
          <a href="#" title=""><img id="logo" src="imagini/portfolio.png" alt="my portfolio" title="Bogdan's portfolio" /></a>
          <ul type="none" id="list">
              <a href="#" title=""><li>works</li></a>
              <a href="#" title=""><li>about</li></a>
              <a href="#" title=""><li>contact</li></a>

          </ul>


       </div>
       <section id="welcome-section">
          <h1>HI, I'M<br /> Pavel Bogdan Mihail</h1>
          <p>I make people get amazed by my works because I'm AWSOME!</p>

          <button type="button">GET IN TOUCH</button>

       </section>
       
       <section id="about">
        <h3>A little bit about me</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean mollis neque sed massa sollicitudin interdum. Pellentesque vel libero sollicitudin lectus sollicitudin consectetur. In dictum eu nisi id porta. Ut molestie luctus hendrerit. Nulla ac nisl sit amet urna molestie dictum. Phasellus et turpis aliquet dolor iaculis congue. Nulla eget ligula nibh. Maecenas vel aliquam quam, sit amet semper nibh. Sed consectetur malesuada mauris a posuere. Suspendisse semper, magna ac convallis faucibus, orci eros ultrices diam, ac porttitor enim sem eget lorem. Proin laoreet commodo arcu, nec lobortis felis dapibus quis. Aenean ut arcu mauris. Nunc tempus erat eu felis faucibus facilisis. Donec gravida ullamcorper dolor ac dapibus. Sed pellentesque dapibus neque, quis ornare purus tincidunt ac.</p>
         
       </section>

---

这里有一个代码笔编辑：

您的导航栏缺少结束标记。如果在导航栏完成后添加广告，其余部分将滚动。

尝试以下操作：

<navbar id="navbar">
          <a href="#" title=""><img id="logo" src="imagini/portfolio.png" alt="my portfolio" title="Bogdan's portfolio" /></a>
          <ul type="none" id="list">
              <a href="#" title=""><li>works</li></a>
              <a href="#" title=""><li>about</li></a>
              <a href="#" title=""><li>contact</li></a>

          </ul>


       </div>
       <section id="welcome-section">
          <h1>HI, I'M<br /> Pavel Bogdan Mihail</h1>
          <p>I make people get amazed by my works because I'm AWSOME!</p>

          <button type="button">GET IN TOUCH</button>

       </section>
       
       <section id="about">
        <h3>A little bit about me</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean mollis neque sed massa sollicitudin interdum. Pellentesque vel libero sollicitudin lectus sollicitudin consectetur. In dictum eu nisi id porta. Ut molestie luctus hendrerit. Nulla ac nisl sit amet urna molestie dictum. Phasellus et turpis aliquet dolor iaculis congue. Nulla eget ligula nibh. Maecenas vel aliquam quam, sit amet semper nibh. Sed consectetur malesuada mauris a posuere. Suspendisse semper, magna ac convallis faucibus, orci eros ultrices diam, ac porttitor enim sem eget lorem. Proin laoreet commodo arcu, nec lobortis felis dapibus quis. Aenean ut arcu mauris. Nunc tempus erat eu felis faucibus facilisis. Donec gravida ullamcorper dolor ac dapibus. Sed pellentesque dapibus neque, quis ornare purus tincidunt ac.</p>
         
       </section>
<navbar>

哦，是的，我忘记关标签了。非常感谢。它现在正在滚动。