Why padding is not working on outer div.

Question

https://code.sololearn.com/Wcx76TH6SyYX/?ref=app

Answer 1

//Your are writing CSS rules wrong ,it is

padding: 10px; and auto is not a valid value for padding its for margin and other property

0 auto is in margin

Answer 2

Sudarshan Rai 👑 it means padding cannot be auto.
Thanks.

Answer 3

Jairo Soto i know this trick but i want to know why padding not working.

Answer 4

Use margin 0 auto in the inner