要鏈接CSS文件到HTML文檔，需在HTML的
中使用<link>標(biāo)簽，1. 使用<link rel="stylesheet" href="styles.css">將外部CSS文件引入，確保rel屬性為"stylesheet"且href指向正確的CSS文件路徑；2. 將該標(biāo)簽置于內(nèi)，如示例所示：在
和
后添加<link>標(biāo)簽以正確加載樣式；3. 確保文件路徑準(zhǔn)確，同一目錄用href="styles.css"，子目錄用href="css/styles.css"，上級目錄用href="../styles.css"；4. 遵循最佳實踐：始終將<link>放在中，優(yōu)先使用外部CSS以提升維護性和緩存效果，可鏈接多個CSS文件如reset.css和theme.css，注意順序決定樣式的覆蓋關(guān)系，只要路徑和語法正確，瀏覽器即可成功應(yīng)用樣式。<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/175373114332707.jpeg" class="lazy" alt="How to link a CSS file to an HTML document?"></p>
<p>To link a CSS file to an HTML document, you use the <code><link></code> element inside the <code></code> section of your HTML file. This tells the browser where to find the stylesheet and how to apply it to your page.</p>
<img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/175373114431492.jpeg" class="lazy" alt="How to link a CSS file to an HTML document?"><p>Here’s how to do it properly:</p>
<h3>1. Use the <code><link></code> Tag in the <code></code>
</h3>
<p>Make sure your CSS file is saved (e.g., <code>styles.css</code>), then add this line inside the <code></code> section of your HTML document:</p>
<img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/175373114418165.jpeg" class="lazy" alt="How to link a CSS file to an HTML document?"><pre class='brush:php;toolbar:false;'><link rel="stylesheet" href="styles.css"></pre><ul><li><code>rel="stylesheet"</code> specifies the relationship — this file is a stylesheet.</li><li><code>href="styles.css"</code> points to the location of your CSS file. You can use a relative or absolute path.</li></ul><h3 id="Example-HTML-Setup">2. Example HTML Setup</h3><pre class='brush:php;toolbar:false;'><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>My Page
<link rel="stylesheet" href="styles.css">
Hello, world!
This is styled with an external CSS file.
