How do I understand the spacing when coding in HTML

Question

HTML

Answer 1

positioning in css mainly is Absolute and Relative, see these four sololearner's tutorial in the sequence i picked for you:

https://code.sololearn.com/WLJo9W7s8G8W/?ref=app
https://code.sololearn.com/W4dGFJx8wFW7/?ref=app
https://code.sololearn.com/WBxa9PGz056Q/?ref=app
https://code.sololearn.com/W2BI5PB4hnln/?ref=app

Answer 2

Gordon thank you very much. I'm grateful