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| What is CSS? | Purpose and how it styles HTML |
| CSS Syntax | Selectors, properties, values |
| How to Apply CSS | Inline, <style>, External .css |
| Basic Selectors | Type (h1), Class (.class), ID (#id) |
| Colors & Units | Named colors, HEX, RGB, HSL, px, %, em, rem |
| Fonts & Text | font-family, font-size, line-height, text-align, font-weight |