Feature: Change layout of Quiz End page

[Shreya-singhal07]

Feature description

Changes proposed:

• button design
• spacing and padding
• color (contrasting color for better clarity)
• quiz score in a container

👀 Have you spent some time to check if this issue has been raised before?

• [X] I checked and didn't find similar issue

🏢 Have you read the Code of Conduct?

• [X] I have read the Code of Conduct

[imaaquibali]

@Shreya-singhal07 go for it.

[Shreya-singhal07]

thanks sir✨

[Diksha4111]

Can I get the opportunity to work on this issue?

[rohitkhicher001]

Can i work on this issue?

[SaarthakMaini]

I have created a pull request for the same. Reference: #871 If there are any changes please let me know and I'll be happy to further contribute from my side