I Use Em
Everything inside this container is styled using the em-unit. The font size is set to 1em, which means it is currently .
Notice how em compounds, when used on parent elements as well as children.
I Use Rem
Everything inside this container is styled using the rem-unit. The font size is set to 1rem, which means it is currently .
Notice how the font-size and padding of the button is not affected by the parent element.
