fix: polish overall design

[DiogoSoaress]

The website design was QAd by design after https://github.com/safe-global/safe-homepage/pull/301/ where the font was updated.

Document pointing requesting this PR changes is here

Also solves https://github.com/safe-global/safe-homepage/issues/346

[github-actions[bot]]

Branch preview

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https://fix_overall_design_qa--homepage.review.5afe.dev

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Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: :white_check_mark: success
  • Annotations: 0 total

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