fixed css of footer

[dhananjay6561]

Related Issue

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Description

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Type of PR

• [ ] Bug fix
• [ ] Feature enhancement
• [ ] Documentation update
• [ ] Other (specify): ___

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Checklist:

• [ ] I have performed a self-review of my code
• [ ] I have read and followed the Contribution Guidelines.
• [ ] 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 commented my code, particularly in hard-to-understand areas.

Additional context:

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