Margins, borders, etc. How to use them

Question

When i check the output on my phone it doesnt look too bad, but it's pretty bad when i check on the desktop. i want my content to be centered and not do far stretched on the screen.
https://code.sololearn.com/WIB6Iy1CuiEf/?ref=app

Answer 1

MatrixMan

try www.freecodecamp.org