It is possible, in parallel with reading and learning, to try an internship in some good design company. In order to master web design at a serious level, I would advise you to pay and go to quality courses for a start. I can only advise you to turn to professionals if you still have problems that are not solved. I can recommend you https://gapsystudio.com/, as an option. You can get acquainted with their capabilities and portfolio on the site.