[ENHANCEMENT] Events page Date Button design

CURRENT DESIGN

<img width="1512" height="982" alt="Image" src="https://github.com/user-attachments/assets/5b7fbcfb-db3b-4b25-ae4d-e65bdbc729cb" />

PROPOSED DESIGN 

<img width="1512" height="982" alt="Image" src="https://github.com/user-attachments/assets/ba45b98f-22b1-4b3a-9088-c1f0305c0e88" />