Manager clean up: UI updates

[melissa-neira]

Overview UI updates listed here:

• [ ] fonts need to be updated (same fonts used in explorer)
• [ ] colors need to be updated (same colors used in explorer)
• [ ] rainbow kit button style needs to be updated
• [ ] tab menu style needs to be updated
• [ ] stat boxes in the round details page needs to be updated
• [ ] manual review styling needs to be updated

all updates and designs can be referenced here

Details for any questions, pls feel free to ping me!