UI improved for Contact Us component for learning management theme

[dhruv18ranjan]

Description

UI improved and made responsive

Related Issue

Motivation and Context

To improve the user experience

Screenshots (In case of UI changes):

before

after

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] My code follows the code style of this project.
• [x] I have updated the documentation accordingly.
• [x] All new and existing tests have passed and it does not give any unexpected error for the same.