layout questions

Implementing a responsive layout system in React can be achieved using CSS-in-JS libraries like styled-components or Emotion, or by leveraging CSS media queries. React libraries like React Bootstrap or Material-UI provide built-in responsive design components for easier layout management.

`grid-template-areas` defines named grid areas within a grid container. It uses a string to assign names to specific grid cells. For example, `grid-template-areas: 'header header' 'sidebar content' 'footer footer';` creates a layout with named regions.

CSS Grid Layout areas are named regions in a grid. Defined with `grid-template-areas`, they simplify the placement of grid items. For example, `grid-template-areas: 'header header' 'main sidebar' 'footer footer';` organizes content into distinct sections.