The menu, search and "scroll to top" buttons cover page content in viewports narrower than 48rem (when there aren't three columns, only one):
There should be some sufficient padding at the bottom of the page, probably calc(var(--spacing)*20) worth of it (the menu/search buttons are spacing x12 tall and are at a spacing x4 distance from the bottom). Here's a mockup with x20 padding:
The menu, search and "scroll to top" buttons cover page content in viewports narrower than 48rem (when there aren't three columns, only one):
There should be some sufficient padding at the bottom of the page, probably
calc(var(--spacing)*20)worth of it (the menu/search buttons are spacing x12 tall and are at a spacing x4 distance from the bottom). Here's a mockup with x20 padding: