I’m wondering how I can set margins and padding on a div to a percentage, instead of a pixel value. Has anyone figured this out? Am I missing something obvious?

Percentage-Based Margins, Padding

Topic		Replies	Views
Using padding to create the height of a section General	6	2980	February 14, 2017
How to get a solid colour over a 1:1 box. A mystery General	9	1090	August 16, 2020
Padding as percentage to maintain responsive aspect ratio - Unsolved General	2	2211	July 10, 2018
How to change units from percent to pixels in div background General	4	3740	December 20, 2017
Clarifying about Responsive design General	7	1730	September 8, 2016