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- Chris Coyier. Add Category Name to body_class. css-tricks, 2018.
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- Fred Meyer. Sass and WordPress: A Love Story. wpshout, 2014.
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Flexbox
- Jenni McKinnon. Understanding CSS3 Flexbox for Responsive WordPress Design. wpmudev, 2019.
Sass
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- Fred Meyer. Sass and WordPress: A Love Story. wpshout, 2014.
Grids
- Jenni McKinnon. Understanding CSS Grids for Modern WordPress Website Design. wpmudev, 2015.