Tailwind CSS

You might say

Do I really have to open a separate CSS file for every style change? Can I adjust styles right where I write the markup?

A utility-first CSS framework that styles elements through small class namesClasses such as p-6, rounded-xl, and border give a card padding, rounded corners, and a border. Tailwind generates CSS rules; the same CSS layout rules still explain why something overlaps or crowds.
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Tailwind
Further reading