Design fixes on frontend to improve UI

[manjitapandey]

Is your feature request related to a problem? Please describe. The design of frontend seems little uneasy for users especially with small screen size. Few small changes can be implemented to significantly improvise the UI.

Describe the solution you'd like

• [x] Decrease the padding around the corners to create more spaces for the components.
• [x] Decrease the height of banner

Additional context