adjusted sectors in posts layer to reduce cropping on Mac
posts button read more now switched to green
blocking events bubbling on mobile
enforce googlefont  Nunito
removed stray comment block
added modernizr
new overlay div for full page posts
demo styles for new overlay div
new function for toggling overlay div
new buttons to toggle the overlay
new code for buttons click handling to toggle overaly
addde container class to world div to allow scaling effect