Remarkable. The best markdown editor for Linux (and Windows soon).

I find that the need to create responsive table layouts pops up far more often than most developers would expect. The gut reaction might to be implement some sort of custom grid-system or pull in a pre-built library. Don't do this - just use tables and some simple CSS. Post written by Bradley Taunt.

Flexbox - The animated tutorial is a visual guide with animation on flexbox layout options.