[BUG] [UI Improvement] Update Outdated Navbar Buttons #376

Closes: #376

Description

The button in the navbar needs improvement to enhance the overall user experience and match the design aesthetics of the site. The current button design does not align with the modern design style used in other sections of the page.

Navbar Button Update

The navbar button has been redesigned to improve user experience and responsiveness.
The button now has modern hover and active states for better interaction.
The color scheme is updated to maintain consistency with the overall design.
Responsiveness is enhanced for better display across different screen sizes.
Accessibility improvements include better contrast and focus states for the button.

Please check the boxes that apply

[x] Bugfix (non-breaking change that fixes an issue)
[x] New feature (non-breaking change that adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] Documentation update (Documentation content changed)
[ ] Other (please describe):

Checklist

Please check the boxes that apply

[x] My code follows the style guidelines of this project
[x] I have performed a self-review of my own code
[x] I have commented my code, particularly in hard-to-understand areas
[x] I have made corresponding changes to the documentation
[x] My changes generate no new warnings
[x] My changes do not break the current system and pass all existing test cases
[x] I have added tests that prove my fix is effective or that my feature works
[x] New and existing unit tests pass locally with my changes
[x] Any dependent changes have been merged and published in downstream modules

Screenshots

If applicable, please attach screenshots of the changes made to the user interface.

Additional Information

Please provide any other information that is relevant to this pull request.

Summary by CodeRabbit

New Features
- Updated project name to "Waste Management" in the README for clarity.
- Enhanced the "Contributing" section for better guidance.
Style
- Introduced a new button style with modern aesthetics and hover effects.
- Improved layout for the hero section and upload components for better visual presentation.
- Adjusted media queries for improved responsiveness on mobile devices.

Walkthrough

The changes involve updates to the README.md and styles.css files for the Waste Management project. The README.md file now accurately reflects the project name and purpose, enhancing clarity and guidance for users and contributors. The styles.css file features modifications to button styles, layout adjustments, and improved responsiveness across various sections, including the introduction of new classes and enhancements to existing ones.

Changes

File	Change Summary
README.md	Updated project name to "Waste Management," revised sections for clarity, and improved structure.
styles.css	Introduced new button styles, updated layout for `.hero`, `.upload-card`, and `.mission-box`, and improved responsiveness with media queries.

Assessment against linked issues

Objective	Addressed	Explanation
Update navbar buttons to match modern UI design (#376)	✅

Possibly related PRs

#375: Enhances documentation for the Waste Management project, aligning with updates made in the main PR regarding project name and contributing guidelines.
#379: Includes structural changes to ecotips.html that improve layout and functionality, relevant to overall enhancements in user experience and design consistency.

Suggested labels

gssoc-ext, hacktoberfest, level2, hacktoberfest-accepted

Suggested reviewers

GarimaSingh0109

Poem

In a world of waste, we strive to mend,
With buttons bright, our styles we blend.
From "Community-Site" to "Waste Management" we cheer,
A cleaner tomorrow, let’s hold it near!
🐰✨

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Name	Link
Latest commit	d06bafe31a1b42c5781f90dc138397cdda19f90b
Latest deploy log	https://app.netlify.com/sites/manageyourwaste/deploys/671669377560780008dec362

GarimaSingh0109 / WasteManagment