P4 uses a 16px grid yet our units are multiples of 5 because of bootstrap. We need to change the units to multiples of 8px. This will ensure our padding etc... follows the same numerical rules layed out for other elements of the planet 4.

pcuadrad has started this work here - https://docs.google.com/document/d/1_Wl2DOY98oxBwsnaI0FhQLBPN-zMljwfzfUuLgHLi60/edit