Homepage UI improvement

[Aryann15]

Before

This PR aims to enhance the UI of the homepage, which includes :-

• Achieved centered alignment both vertically and horizontally within the container, ensuring a balanced and polished layout.
• Encased the form elements in a rounded white box, accentuated with a subtle shadow effect, enhancing contrast and readability against the background.
• Introduced a vibrant gradient background to the container, injecting a touch of modernity and visual allure to the homepage.

Screencast from 2024-04-25 23-57-54.webm