[bovermyer]

Have you tried using a CSS "masonry" approach to address the varying sizes of the articles?

For example: https://w3bits.com/css-masonry/

[_ja7e]

Also, check out Isotope. Seems to handle different-sized "cells" fairly neatly - https://isotope.metafizzy.co/layout-modes.html

[baybal2]

BTW, you can do very complex transforms with XSLT on RSS https://www.bennadel.com/rss also take a look on feedburner

[baybal2]

CSS columns?