HTML, CSS and JavaScript

https://developer.mozilla.org/en-US/docs/Learn/CSS/Styling_text/Typesetting_a_homepage

https://selftaught-dev.com/project-archive

freecodecamp

teamtreehouse

Nester: https://codepip.com/games/nester/

Codepip: https://codepip.com/

CSS only

W3School: https://www.w3schools.com/css/css_exercises.asp

CSS Diner: https://flukeout.github.io/

Frontend Mentor: https://www.frontendmentor.io/challenges

Flexbox (Flexbox Froggy): https://flexboxfroggy.com/

Grid (CSS Grid Garden): https://codepip.com/games/grid-garden/

Projects

Make this on CSS:

Make a page implementing RWD and changing the hierarchy, typography (em, vw, vh, margins, line heights etc.), layout, navigation, images, and special content (page 506). Add this to my portfolio. Do the same for other concepts.