feat: Added dark mode effects on the FAQ page.

[meetarora10]

Title and Issue number

Title : No effect of the dark mode on the FAQ page .

Issue No. : #1022

Code Stack : CSS,HTML,JavaScript

Close #1022

Description

I have added dark mode effects on the FAQ page similar to other pages .

Video/Screenshots (mandatory)

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Checklist:

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have gone through the contributing.md file before contributing

Additional context:

I have made the dark mode effects similar to the home page , for instance the buttons on the navbar .

##Are you contributing under any Open-source programme?
Yes GSSoC'24.

• I am contributing under GSSOC'24
• I am contributing under VSOC'24

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[apu52]

@meetarora10 good work