On each category you can set a Category template style, a Top post style (grids) and a module type for article listing.

How America Can Stop Wasting $161B of Food a Year
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How America Can Stop Wasting $161B of Food a Year
Longboards Are Gaining Popularity – See Why
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Longboards Are Gaining Popularity – See Why
Say Goodbye to Pebble Beaches, Say Hello to Sand
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Say Goodbye to Pebble Beaches, Say Hello to Sand
The Top 5 Biggest Filatropists in the World
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The Top 5 Biggest Filatropists in the World