📘 Interactive HTML & CSS Reference Guide

This project is an interactive HTML & CSS learning website built using pure HTML, CSS, and JavaScript.
It is designed to help beginners and intermediate learners understand web development concepts with examples, live previews, and quizzes.

---

✨ Features

• 📚 Beginner to Advanced HTML & CSS reference
• 🌓 Dark Mode / Light Mode toggle
• 🔽 Expand & Collapse sections
• 📋 Copy code button for examples
• 🧪 Live HTML code editor with real-time preview
• 🧠 Quiz section (Basic, Intermediate, Advanced)
• 📱 Fully responsive design
• ⚡ No frameworks used (Pure HTML, CSS & JavaScript)

---

🛠️ Technologies Used

• HTML5
• CSS3
• JavaScript (Vanilla JS)

---

🚀 How to Run the Project

1. Download or clone the repository:

   git clone https://github.com/your-username/your-repo-name.git