<a href="https:&#x2F;&#x2F;css-tricks.com&#x2F;snippets&#x2F;css&#x2F;a-guide-to-flexbox&#x2F;" rel="nofollow">https:&#x2F;&#x2F;css-tricks.com&#x2F;snippets&#x2F;css&#x2F;a-guide-to-flexbox&#x2F;</a><p>CSS-Tricks has a pretty handy guide, too. If I need a quick reference when developing, that and MDN are my go to.