style(settings): add styles in settings menu form

[prasanth94]

Why are the changes necessary?

• To fix issue - This PR closes issue #360

What does this pull request cover?

• Add styles to form in settings menu, used tailwind classes to style the component.
• Tailwind has been added with the following configs
  1. 'height' property is added to transitionProperty
  2. 'boxShadow' property is added to the 'active' pseudo class.
  3. 'primary' property for color has been added to access application's primary color from tailwind classes.

Demo