Code Challenges
Menu
FrontendMentor.io
QR Code
Frontloops.io
Boiling Dots
Segmented Control
Quick Change Tab
Toggles
Step Progress
Typing Animation
Magic Square
Infinite Scroll
Sidebar
Sticky Note
Drag and Drop
Keycode
List Builder
Carousel
Scroll down to see the card stick.
This behavior was done with JS rather than CSS.