FLEXBOX

FLEXBOX

Simple Layout using Flexbox

http://learnlayout.com/flexbox.html

Flexbox Nav Bar with Fixed, Variable, and Take-Up-The-Rest Elements

https://css-tricks.com/flexbox-nav-bar-fixed-variable-take-rest-elements/

A Complete Guide to Flexbox

https://css-tricks.com/snippets/css/a-guide-to-flexbox/

Fluid layouts done right, with Flexbox

https://webagility.com/posts/fluid-layouts-done-right-with-flexbox

Using flexbox to lay out web applications

https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Flexible_Box_Layout/Using_flexbox_to_lay_out_web_applications