<div style="display: flex; align-items: center;">Hello World</div>

This works in the latest versions of all browsers. If you need legacy IE support things may get tricky.

But this website should not be needed.

This is is fundamental design requirement, and the tools we have are barely up to the task.

Flexbox is a good start, but articles like this should be completely redundant.

+1. One reason why most front end engineers go not have good CSS skills. No amount of LESS or SASS will fix CSS.

To be technical, css isn't broken-- it's just for styling.

Using css for layout was a fundamentally bad idea, but it was the best hack around at the time. And now it's enshrined :/