The User Experience Team of One

I think what you're asking is more about UI Design. You should have a look at these: https://designcode.io/sketch-learn (if you're on Windows have a look at their Figma courses) https://hackdesign.org/ To learn more about UX, this is a good start https://rosenfeldmedia.com/books/the-user-experience-team-of... (https://rosenfeldmedia.com/books/the-user-experience-team-of-one/)

This one is good at teaching both fundamental design principles and UI design in particular Designing Visual Interfaces: Communication Oriented Techniques This is an introduction to UX The User Experience Team of One It's from Rosenfeld Media and you should take a look at the rest of their books. They are of a high quality and cover a wide range of topics related to both UI design and UX.