This comes from a post here: http://www.joestrong.co.uk/blog/css-tip-how-to-match-column-heights-in-css/
A huge problem (come on CSS devs, we're ready for smarter code! We shouldn't needs jquery or LESS to fix your crap!) is matching a heights to a sibling div.
Simply add the following to the short column's css:And that is it.
Q: What is it doing?
A: The padding-bottom action will push the height to 30,000 (plus the height of the original div) then it will use the margin-bottom to reign in the excess. Can I explain it better? Sure. Will I? NO! Just try it out, it works!