Fix image visibility issue in dark mode on FAQ page

[akshay0611]

🛠️ Fixes Issue

Fixes: #3334

👨‍💻 Description

What does this PR do?

This PR fixes the issue with image visibility on the FAQ page when dark mode is enabled. The image was previously not visible due to the mix-blend-mode: multiply; property, which caused it to blend into the background.

• Fixes the visibility issue of the FAQ page image in dark mode.
• Removes the mix-blend-mode: multiply; CSS property that was causing the image to blend into the background.
• Updates the image to one that is visible in both light and dark modes.

This change enhances the user experience by ensuring that images are visible in both modes.

📄 Type of Change

• [✅] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (adds or updates related documentation)

📷 Screenshots/GIFs (if any)

-Before fix:

-After fix:

✅ Checklist

• [] I am a participant of GSSoC-ext.
• [✅] I have followed the contribution guidelines of this project.
• [✅] I have made this change from my own.
• I have taken help from some online resources.
• [✅] My code follows the style guidelines of this project.
• [✅] I have performed a self-review of my own code.
• [] I have added documentation to explain my changes.

Mandatory Tasks

• [✅] Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected.

🤝 GSSoC Participation

• [] This PR is submitted under the GSSoC program.
• I have taken prior approval for this feature/fix.

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Name	Status	Preview	Comments	Updated (UTC)
finveda	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 24, 2024 1:00pm

[github-actions]

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