Responsive in Web developer
The 3 ways of building layouts with css
Float layouts
The old way of building layouts of all sizes uses the float CSS property. Still used, but getting outdated fast.
Float challenge #1
Flexbox
Modern way of laying out elements in a 1-dimensional row without using floats. Perfect for component layouts.
CSS Grid
For laying out element in a fully-fledged 2-dimensional grid. Perfect for page layouts and complex components.