BUILDING WEB LAYOUTS WITH CSS GRID AND FLEXBOX Here is all of the demo code and extra resources for learning this material FLEXBOX Chris Coyer's Complete Guide to Flexbox Smashing Magazine: Harnessing Flexbox for Today's Web Apps Solved by Flexbox Flexy Boxes playground and code generator Getting started with Flexbox grid systems Flexbox Froggy Flexbox Defense Flexbox Grid CSS GRID Jen Simmons' Layout Lab CSS Tricks: A Complete Guide to Grid Grid by Example Practical CSS Grid: Adding Grid to an Existing Design Basic concepts of grid layout Grid "fallbacks" and overrides Things I’ve Learned About CSS Grid Layout GRID PILE: Stacking CSS Grids for Impossible Layouts Breaking Down a CSS Grid Layout A Collection of Interesting Facts about CSS Grid Layout Is it really safe to start using CSS Grid Layout? Bootstrap to CSS Grid Firefox Developer version -- Grid tools RESPONSIVE IMAGES Picturefill source About the tag Tim Kadlec: Media query asset downloading results