duplicate link removal and CSS adding closing brace

[Nehakumarigupta]

Related Issue

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Fixes: #(issue no.)

Description

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Type of PR

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

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Checklist:

• 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 commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• 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.

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[PriyaGhosal]

@Nehakumarigupta Please see the conflicts . Resolve the conflicts . Ensure you pull all the latest changes before pushing your feature/bug fixes to the main branch. After resolving the conflicts, please open a new PR for review.
Thank you!