htmlq/test.html

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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">
<title>Test Page for htmlq</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 20px;
}
.container {
max-width: 800px;
margin: 0 auto;
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.header {
text-align: center;
margin-bottom: 20px;
}
.header h1 {
color: #333;
}
.content {
display: flex;
justify-content: space-between;
}
.sidebar {
width: 30%;
background-color: #eaeaea;
padding: 15px;
border-radius: 8px;
}
.sidebar ul {
list-style-type: none;
padding: 0;
}
.sidebar ul li {
margin-bottom: 10px;
}
.sidebar ul li a {
text-decoration: none;
color: #333;
}
.main-content {
width: 65%;
}
.main-content .article {
margin-bottom: 20px;
padding: 15px;
background-color: #f9f9f9;
border-radius: 8px;
}
.main-content .article h2 {
color: #555;
}
.main-content .article p {
color: #666;
}
.footer {
text-align: center;
margin-top: 20px;
padding-top: 20px;
border-top: 1px solid #ddd;
}
.footer p {
color: #777;
}
#special-note {
background-color: #ffeb3b;
padding: 10px;
border-radius: 8px;
margin-top: 20px;
}
.duplicate-class {
background-color: #d1c4e9;
padding: 10px;
border-radius: 8px;
margin: 10px 0;
}
.duplicate-class > p {
color: #512da8;
}
.duplicate-class + .duplicate-class {
margin-top: 20px;
}
.duplicate-class ~ .duplicate-class {
border: 2px solid #673ab7;
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>Welcome to the Test Page</h1>
</div>
<div class="content">
<div class="sidebar">
<ul>
<li><a href="#section1">Section 1</a></li>
<li><a href="#section2">Section 2</a></li>
<li><a href="#section3">Section 3</a></li>
</ul>
</div>
<div class="main-content">
<div class="article" id="section1">
<h2>Section 1: Introduction</h2>
<p>This is the introduction section. It provides an overview of the content.</p>
<div class="duplicate-class">
<p>This is a duplicate class element inside Section 1.</p>
</div>
</div>
<div class="article" id="section2">
<h2>Section 2: Main Content</h2>
<p>This is the main content section. It contains the bulk of the information.</p>
<div class="nested">
<p>This is a nested paragraph inside the main content.</p>
<div class="deeply-nested">
<p>This is a deeply nested paragraph.</p>
</div>
</div>
<div class="duplicate-class">
<p>This is another duplicate class element inside Section 2.</p>
</div>
<div class="duplicate-class">
<p>This is yet another duplicate class element inside Section 2.</p>
</div>
</div>
<div class="article" id="section3">
<h2>Section 3: Conclusion</h2>
<p>This is the conclusion section. It summarizes the content.</p>
<div class="duplicate-class">
<p>This is a duplicate class element inside Section 3.</p>
</div>
</div>
</div>
</div>
<div id="special-note">
<p>This is a special note with a unique ID.</p>
</div>
<div class="footer">
<p>&copy; 2023 Test Page. All rights reserved.</p>
</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
console.log('Document is fully loaded and ready to be processed.');
});
</script>
</body>
</html>