Background colour

How do I edit the background colour of the app? I want it to be a different colour than the colour it comes with.

@Hibaq_A - by app do you mean the one generated with vectara-answer?

Yes the Vectara-answer

Hibaq Abdi

Assuming that you started from vectara-answer repo, the colors are defined here. You can change them as your liking:

Thank you so much! Last question, I want to install an accessibility feature in my Vectara Answers app, where do I put this code?

Adding accessibility to an app is quite a wholesome task. vectara-answer is a React App which makes it easier to follow some guidelines.
You can use this online tutorial to get started.