Changed margin top to the main layout

[Akshaydotcom]

Purpose

The purpose of this PR is to fix #176

Goals

Approach

Needed change in the Margin for main layout.

Screenshots

Checklist

• [x] This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• [x] I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation

Related PRs

N/A

Test environment

Chrome Browser, across all screen sizes starting from 4k to Mobile of Width 320px.

Learning

N/A