I gave an hour presentation on the basics of CSS to my department as a junior. Other asked how I learned it so quickly and where from. I just read MDN and W3 f

I gave an hour presentation on the basics of CSS to my department as a junior. Other asked how I learned it so quickly and where from. I just read MDN and W3 for like a month while making slides, then played around for a bit with all I learned on an example app. No one had taken the time to do that before I guess?