[FRONTEND] Fix overflow issues created by pricing cards

Is your feature request related to a problem? Please describe. The changes made in #358 caused the homepage to have x overflow on the mobile view. This is likely due to some unwanted margins/min-width prop.

BEFORE MERGING

[ ] Storybooks created where possible
[ ] Tested with nock if data fetching
[ ] Tests written for critical interactions
[ ] PR Reviewed (For non-trivial changes)
[ ] Changes tested after rebasing on master or merging in master (hint: git fetch origin master:master, then git rebase master or git merge master)
[ ] All required PR checks passing

UoaWDCC / uasc-web

[FRONTEND] Fix overflow issues created by pricing cards #383