I added the image in background of contact us, modify navbar, modify buttons by adding border radius

[Shaliniyadav8130]

…uttons by adding borderb radius

🛠️ Fixes Issue

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👨‍💻 Changes Proposed

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:heavy_check_mark: Check List ( Check all the applicable boxes )

• [ ] My code follows the code style of this project.
• [ ] This PR does not contain Plagiarized content.
• [ ] The title of my pull request is a short description of the requested changes.

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