Change in CSS of banner section

[aakanshimalik]

Enhancement in the margins of h1,p,button. As originally it is somewhat overlapping with the image in banner section.
@Tejashri-Taral please assign this task to me.

output:

[github-actions]

Thank you for creating this issue! 🎉 Your issue will soon be reviewed by either the PA or a mentor. Please note that Level 1 is temporary and can be changed during the review. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

You can also check our CONTRIBUTING.md for guidelines on contributing to this project.

[Arushisonal]

/assign

[sunidhi3]

Please assign this to me i can work on it

[hars-21]

@aakanshimalik Please make this section responsive as well. I am assigning it to you.