CSSBattle  Use your CSS skills to replicate targets with smallest possible code. Feel free to check out the target & put your CSS skills to test. https://cssbattle.dev/ Codepen challenges Challenges are fun opportunities for leveling up your skills by building things. Each week, you’ll get a new prompt surrounding a monthly theme to riff on. The best Pens get picked and featured on the homepage. https://codepen.io/ Fronted Mentor Improve your front-end skills by building real projects. Solve real-world HTML, CSS, and JavaScript challenges whilst working on professional designs. https://www.frontendmentor.io/challenges Coderbyte  Coderbyte is a web application built to help you practice programming and improve your coding skills. https://coderbyte.com/ Codewell  Improve your HTML and CSS skills by practicing on real design templates. With Codewell, you can browse high quality Figma templates that you can use to sharpen your HTML and CSS skills. https://www....