Even if you know Flexbox you cannot use Flexbox because support lacks.<p><a href="http:&#x2F;&#x2F;caniuse.com&#x2F;#feat=flexbox" rel="nofollow">http:&#x2F;&#x2F;caniuse.com&#x2F;#feat=flexbox</a><p>The TL;DR: Everyone is doing well except IE which is horribly broken. Only Microsoft&#x27;s Edge browser has good Flexbox support, but nobody uses Edge, so therefore Flexbox is still no-go.<p>Come back in five years when IE 11 is a distant memory and Edge is popular.