A number of elements padding are being overridden to 0 when running the build.
They’re getting the following added after the set values -
I’ve tested with a base installation and I’m noticing it on wrapper-inner, callout-inner on the basic.html template and the lists on the index.
I’m overriding specifics such as $callout-padding by adding !important but it would be nicer if it worked out of the box.
Attached is a screenshot of the build output.