For someone of your experience, I would go to a site like Codepen and search for something you would like to build. Then I would find an example using the same

For someone of your experience, I would go to a site like Codepen and search for something you would like to build. Then I would find an example using the same tools you want to use. I would mess around and break that example until you figure out what does what. Then open a fresh pen and try to rebuild it the way you want. Rebuild: not copy. I used Codepen as the best site because it’s very beginner and frontend friendly.