FIXES ISSUE #407: CODE CHANGE: Complete DarkMode UI Revamp

[SagnikGos]

Fixes: #407

Description

I have completely changed the color palette of the dark ui of the website and now the website looks much less eye straining and more professional.
I have also made some animation changes in Travel Itineraries section.
As a whole, the whole website Dark UI is much more eye soothing now.

Type of PR

• Feature enhancement

Screenshots / videos (if applicable)

BuddyTrail.-.Google.Chrome.2024-10-11.08-50-15.mp4

Checklist:

• I have made this change from my own.
• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generate no new warnings.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers and screenshots after making the changes.

I'm a GSSOC'24 Contributor & Hacktoberfest Contributor.
This issue fixed required a lot of hours of work from my end, so i request you to label it as Level 3.
Thank You!

[github-actions]

Thank you for submitting your pull request! 🙌 We'll review it as soon as possible. In the meantime, please ensure that your changes align with our contributing.md. If there are any specific instructions or feedback regarding your PR, we'll provide them here. Thanks again for your contribution! 😊

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