You still use grid or flexbox but instead of writing a class adding grid:0 1 and referencing the class name you use a shortcut with predefined values. Easier t

You still use grid or flexbox but instead of writing a class adding grid:0 1 and referencing the class name you use a shortcut with predefined values. Easier to remember and quicker to type. Centering content on a screen is class="place-content-center" which makes things easier.