- Semantic HTML
- main, aside, footer, header, nav, article
- Units
- rem, em, %, px.
- Flexbox
- justify-content, align-items, order, flex-direction
- Media Queries
- Breakpoints, min-width, max-width, mobile first, desktop first
- Navigation
- nav structure, nav list, nav item, nav link, hover, focus
Link of the video:
https://www.youtube.com/watch?v=srvUrASNj0s&ab_channel=freeCodeCamp.org