Calendar has red background

[RajeshTechForge]

Description

Solved the issue of 'Calendar has red background #227' and improved the placeholder colour of the 'Contact Us' form for better visual appeal.

Issue number

Issue No. : #227

Video/Screenshots (mandatory)

Checklist:

• [x] I have mentioned the issue number in my Pull Request.
• [ ] I have commented my code, particularly in hard-to-understand areas
• [x] I have gone through the contributing.md file before contributing

Additional context:

The code changes do not have any hard-to-understand areas, so I did not add any comments to the code.