anchor.diff:  nav#off-canvas
   	a(href="#").open
  -			span 
   			span
   			span
  -	
  +			span
  +
   	.container
  -		ul 
  +		ul
   			li: a(href="#events") events
  -			li: a(href="#sponsors") sponsors			
  +			li: a(href="#sponsors") sponsors
   			li: a(href="#challenge") challenge
   			li: a(href="#learn") learn
   			li: a(href="#sharing") stream
  
positive.code: 			li: a(href="#map") venue
  			//-li: a(href="#about") about
  			li: a(href="#contact") contact
  			li: a.twitter.network(href="https://twitter.com/latcraft", target="_blank") 
  				i.fa.fa-twitter
  			li: a.github.network(href="https://github.com/latcraft", target="_blank") 
  				i.fa.fa-github
  			//-li: a.facebook.network(href="https://www.facebook.com/groups/latcraft", target="_blank")
  				i.fa.fa-facebook
  
negative.code: 				span
  					i.fa.fa-caret-left
  					i.fa.fa-caret-right
  
  		.logo
  			a(href="#header") LatCraft
  
  