<h2>10. Advantages Over Bootstrap</h2> <ul> <li>✅ Much smaller file size (~20KB vs 150KB+)</li> <li>✅ No JavaScript required (less bloat)</li> <li>✅ Easier to learn (fewer classes)</li> <li>✅ Built by W3C – standard compliant</li> </ul>
<!DOCTYPE html> <html> <head> <title>W3.CSS Tutorial - Complete Guide</title> <style> body font-family: Arial, sans-serif; max-width: 900px; margin: auto; padding: 20px; line-height: 1.6; h1 color: #4CAF50; h2 border-left: 5px solid #4CAF50; padding-left: 15px; margin-top: 40px; pre background: #f4f4f4; padding: 12px; border-radius: 5px; overflow-x: auto; .card border: 1px solid #ddd; padding: 20px; margin: 20px 0; border-radius: 8px; code background: #eee; padding: 2px 5px; border-radius: 3px; </style> </head> <body> <h1>📘 W3.CSS Tutorial – The Modern CSS Framework</h1> <p><strong>Author:</strong> W3.CSS official guide | <strong>Updated:</strong> 2026</p> w3.css tutorial pdf
<h3>Navigation Bar</h3> <pre><div class="w3-bar w3-black"> <a class="w3-bar-item">Home</a> <a class="w3-bar-item">About</a> </div></pre> <h2>10
<h2>7. Common Components</h2> <h3>Buttons</h3> <pre><a class="w3-button w3-blue w3-round-large">Button</a></pre> Responsive Grid System</h2> <p>W3
<h2>3. Responsive Grid System</h2> <p>W3.CSS uses a 12-column fluid grid:</p> <pre><div class="w3-row"> <div class="w3-col m4 l3" style="background:#ccc">Column</div> <div class="w3-col m8 l9" style="background:#eee">Column</div> </div></pre> <p><strong>Classes:</strong> <code>l1-l12</code> (large screens), <code>m1-m12</code> (medium), <code>s1-s12</code> (small)</p>
<h2>1. What is W3.CSS?</h2> <p>W3.CSS is a modern, responsive, mobile-first CSS framework from the World Wide Web Consortium (W3C). It's free, lightweight (only ~20KB minified), and does not require JavaScript.</p>
<h3>Modal</h3> <pre><div id="modal" class="w3-modal"> <div class="w3-modal-content"> <span class="w3-button w3-display-topright">×</span> <p>Modal content</p> </div> </div></pre>