Whats the alternate version/best practice of this simple CSS code?

Question

Since I'm new to Web dev, I somehow managed to make what I wanted in this code but dont know whether its a good practice or there is any alt version (efficient way).
Help is highly appreciated!

https://code.sololearn.com/WUFLWyf2t1FB/?ref=app

Answer 1

you can define margin in one line going top, right, bottom and left. In your case margin: 0px 50px 0px 50px;

Answer 2

or just margin:0px 50px;

Answer 3

This seems fine. Were you concerned about something in particular?

Answer 4

or just

margin: 0 50px;

?

lol

Answer 5

you are on the right track