Responsive Web Design

Responsive web design (RWD) is an approach to web design aimed at crafting sites to provide an optimal viewing and interaction experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—across a wide range of devices (from desktop computer monitors to mobile phones).

Responsive Web Design
A List Apart
Responsive Web Design: What It Is and How To Use It
Smashing Magazine
Moving from HTML Grid Systems to CSS Grid Systems
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Choosing A Responsive Image Solution
Smashing Magazine
Flexbox Based Responsive Equal Height Blocks With JavaScript Fallback
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