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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Example HTML file demonstrating various HTML syntax elements -->
<title>HTML Syntax Example</title>
<link rel="stylesheet" href="styles.css">
<script defer src="main.js"></script>
</head>
<body>
<!-- Header section with navigation -->
<header class="main-header" role="banner">
<nav class="main-nav" aria-label="Main navigation">
<ul class="nav-list">
<li><a href="#home" class="nav-link active">Home</a></li>
<li><a href="#about" class="nav-link">About</a></li>
<li><a href="#contact" class="nav-link">Contact</a></li>
</ul>
</nav>
</header>
<!-- Main content area -->
<main id="main-content" role="main">
<!-- Hero section -->
<section class="hero" aria-labelledby="hero-title">
<h1 id="hero-title">Welcome to Our Site</h1>
<p class="lead">This is an example of semantic HTML structure.</p>
</section>
<!-- Article with sections -->
<article class="content-article">
<header>
<h2>Main Article</h2>
<p class="article-meta">Published on <time datetime="2024-02-20">February 20, 2024</time></p>
</header>
<section class="article-section">
<h3>Section One</h3>
<p>This section demonstrates text content with <em>emphasis</em> and <strong>strong importance</strong>.</p>
<figure>
<img src="example.jpg" alt="Example image" width="600" height="400">
<figcaption>An example image with caption</figcaption>
</figure>
</section>
<section class="article-section">
<h3>Interactive Elements</h3>
<!-- Form example -->
<form class="contact-form" action="/submit" method="POST">
<fieldset>
<legend>Contact Information</legend>
<div class="form-group">
<label for="name">Name:</label>
<input type="text" id="name" name="name" required
placeholder="Enter your name">
</div>
<div class="form-group">
<label for="email">Email:</label>
<input type="email" id="email" name="email" required
placeholder="Enter your email">
</div>
<div class="form-group">
<label for="message">Message:</label>
<textarea id="message" name="message" rows="4"
placeholder="Your message"></textarea>
</div>
<button type="submit" class="btn btn-primary">Send Message</button>
</fieldset>
</form>
</section>
<!-- Table example -->
<section class="article-section">
<h3>Data Table</h3>
<table class="data-table">
<caption>Monthly Sales Data</caption>
<thead>
<tr>
<th scope="col">Month</th>
<th scope="col">Sales</th>
<th scope="col">Growth</th>
</tr>
</thead>
<tbody>
<tr>
<th scope="row">January</th>
<td>$10,000</td>
<td>5%</td>
</tr>
<tr>
<th scope="row">February</th>
<td>$12,000</td>
<td>20%</td>
</tr>
</tbody>
<tfoot>
<tr>
<th scope="row">Total</th>
<td>$22,000</td>
<td>25%</td>
</tr>
</tfoot>
</table>
</section>
</article>
<!-- Aside content -->
<aside class="sidebar" role="complementary">
<h2>Related Information</h2>
<div class="widget">
<h3>Categories</h3>
<ul class="category-list">
<li><a href="#tech">Technology</a></li>
<li><a href="#design">Design</a></li>
<li><a href="#business">Business</a></li>
</ul>
</div>
</aside>
</main>
<!-- Footer section -->
<footer class="site-footer" role="contentinfo">
<div class="footer-content">
<p>&copy; 2024 Example Site. All rights reserved.</p>
<address>
Contact us at: <a href="mailto:info@example.com">info@example.com</a>
</address>
</div>
</footer>
<!-- Dialog for modal content -->
<dialog id="modal" class="modal">
<header>
<h2>Modal Title</h2>
<button type="button" class="close-button" aria-label="Close modal">×</button>
</header>
<div class="modal-content">
<p>This is an example of the dialog element for modal content.</p>
</div>
<footer>
<button type="button" class="btn">Close</button>
</footer>
</dialog>
</body>
</html>