change the active button and proper spacing between service cards and orientation of buttons

[shreya0154]

change the active button and proper spacing between service cards and orientation of buttons

1. right now no different color for active btn in "what we do" section:
   https://github.com/user-attachments/assets/ca5ca866-9f32-4d72-bcbd-9d2a1687b1f2

2. service cards buttons are coming out of the cards and 4th card is not properly visible on the page because of extra gap between the cards....
   https://github.com/user-attachments/assets/ba2b910c-b62d-4c87-940e-a8dbc954aef1

now it is better:

https://github.com/user-attachments/assets/05f698cc-1263-46b7-b209-41d391ed895e
https://github.com/user-attachments/assets/aaa6ffca-644d-47af-a141-aea7af3d58f4

kindly assign me this issue and add the label "hacktoberfest" and "hacktoberfest-accepted"

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