Modern HTML and CSS from the Beginning (Including Sass) - CSS Variables (Custom Properties)

The video tutorial introduces CSS variables, also known as custom properties, and demonstrates their use in HTML and CSS. It covers setting up a basic HTML structure with a header and container, adding CSS styling, and defining and using variables for colors and layout. The tutorial emphasizes the benefits of using variables for consistent styling and easy updates. It also explores advanced styling techniques using flexbox and variable scope management, concluding with best practices for using CSS variables effectively.

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