how to use inline, internal, and external CSS in HTML

Sudhanshu Gaikwad - Jun 29 - - Dev Community

1.Inline CSS:
Inline CSS is applied directly to HTML elements using the style attribute.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sudhanshu Developer</title>
</head>
<body>
    <h1 style="color: blue; text-transform: uppercase;">Sudhanshu Developer</h1>
    <p style="font-size: 16px; color: gray;">This is an example of inline CSS.</p>
</body>
</html>

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2.Internal CSS:
Internal CSS is defined within a tag inside the <head> section of the HTML document.<br> </p> <div class="highlight"><pre class="highlight plaintext"><code>&lt;!DOCTYPE html&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;meta charset="UTF-8"&gt; &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt; &lt;title&gt;Sudhanshu Developer&lt;/title&gt; &lt;style&gt; h1 { color: green; text-transform: uppercase; } p { font-size: 18px; color: darkgray; } &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;h1&gt;Sudhanshu Developer&lt;/h1&gt; &lt;p&gt;This is an example of internal CSS.&lt;/p&gt; &lt;/body&gt; &lt;/html&gt; </code></pre></div> <p></p> <p><strong>3.External CSS:</strong><br> External CSS is written in a separate .css file and linked to the HTML document using the <link> tag.<br> First, create a <code>style.css</code> file in your project</p> <p><strong>styles.css:</strong><br> </p> <div class="highlight"><pre class="highlight plaintext"><code>/* styles.css */ h1 { color: red; text-transform: uppercase; } p { font-size: 20px; color: darkblue; } </code></pre></div> <p></p> <p>After That, You create an Index.html File in your project and <br> link the <code>style.css</code> <code>&lt;link rel=&quot;stylesheet&quot; href=&quot;styles.css&quot;&gt;</code><br> file in the <code>index.html</code> File.</p> <p><strong>index.html:</strong><br> </p> <div class="highlight"><pre class="highlight plaintext"><code>&lt;!DOCTYPE html&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;meta charset="UTF-8"&gt; &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt; &lt;title&gt;Sudhanshu Developer&lt;/title&gt; &lt;link rel="stylesheet" href="styles.css"&gt; &lt;/head&gt; &lt;body&gt; &lt;h1&gt;Sudhanshu Developer &lt;/h1&gt; &lt;p&gt;This is an example of external CSS.&lt;/p&gt; &lt;/body&gt; &lt;/html&gt; </code></pre></div> <p></p> <p>In this way, we can use <strong>CSS</strong> in <strong>HTML</strong>.</p>

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