Change the theme and color scheme

[bhaviya18]

I want to change the theme and color scheme of the webpage to make it look more appleaing to the audience.

[github-actions]

👋 Thank you @bhaviya18 for raising an issue! We appreciate your effort in helping us improve. Our team will review it shortly. Stay tuned!

[Pragya79645]

Please assign me with this issue

[bhaviya18]

@Pragya79645 Hello! This issue is already assigned to me.