What is CSS?

CSS (Cascading Style Sheets) is the language that describes how HTML elements should look. It separates presentation from structure.

• Cascading – multiple sources of styles combine according to specificity and order.
• Selectors – point to which elements to style.
• Properties – describe visual aspects (color, size, layout, etc.).

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Example: Simple Inline Style

<p style="color:red; font-weight:bold;">Hello CSS!</p>