This is an image with a symbol on the left consisting of 3 squares at the bottom, with 2 squares on top of those, aligned with the first two of the lower squares, and finally one more square on top of these two squares, aligned with the left-most of those two. To the right of the symbol is a text saying Made with Cascading Style Sheets. The picture links to a page that holds a brief description of what Cascading Style Sheets are.

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