Resolve #3486850 "Update header sizing and side margins on landing page components"
Closes #3486850
To Test:
Go to https://drupalorg.ddev.site/mother-node
Review the header sizes at various breakpoints, h1s, h2s, h3s
Generally they should not appear "too big" at small and medium breakpoints and only have the large sizing at 1920px.
Review that all section components have consistent side margins and those margins should match the Figma:
Edited by Bill Sprowl