Prefixed added to main.css

Added prefixes to main.css
Added viewport query 

added viewport query to main.css to see if it will work on mobile
Update main.css
Revert "Update main.css"

This reverts commit 2be892ad4a5a11d6ebac8d234bab75b33b9b19a1.
Revert "Added viewport query "

This reverts commit 80440ecf58504503bcd3c17c1a317a8e825c171a.
Added Viewport meta tag

Added viewport meta tag in <head>  to make the website resize correctly on mobile
Merge pull request #2 from soulhima/Branch-for-edits

Branch for edits