Search⌘ K
AI Features

Overview of Responsive Design

Explore modern responsive design strategies in CSS that move beyond traditional media queries. Learn how to create flexible layouts using spacing, sizing, flexbox, grid, and container queries. Understand viewport limitations and discover how to build scalable, content-based layouts with dynamic units and math functions for more resilient web designs.

Broadly speaking, the classic methodology of “responsive design” is focused on predefined device breakpoints. That is, layouts are designed to adapt to mobile, tablet, and desktop viewports.

A responsive history

Technically, responsive design has been possible since the dawn of the Web because browsers allow HTML to reflow as the viewport changes size by default. However, early web design tended to focus on fixed-width layouts designed for a small range of ...