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Duet Date Picker is an open source version of Duet Design System’s WCAG 2.1 compliant date picker. It can be implemented and used across any JavaScript framework or no framework at all.
The complete guide to CSS media queries
Media queries are what make modern responsive design possible. With them you can set different styling based on things like a users screen size, device capabilities or user preferences. But how do they work, which ones are there and which ones should you use? Here's the complete guide to media queries.
Headroom.js
Give your pages some headroom. Hide your header until you need it.