Merge pull request #10 from bryant1410/master

Fix broken Markdown headings

build update

Removed scrollbar hack

refactor

Prevent body width jump when disabling overflow

Disable zoom

Recenter nav vertically on iOS with translateY

Fix body scrolling on iOS when nav is open

Updated hamburger href value

Updated custom CSS example

bound active class to hamburger

Updated zip link to master

Added demo link

Updated demo