/*
Error: Undefined variable: "$dark-button".
        on line 2 of sass/layout/footer.scss

1: .site-footer {
2: 	background-color: $dark-button;
3: 	color: #fff;
4: 	font-size: em(11px);
5: 	
6: 	p {
7: 		padding: em(20px) 0 em(15px); 

Backtrace:
sass/layout/footer.scss:2
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/script/tree/variable.rb:49:in `_perform'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/script/tree/node.rb:58:in `perform'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:397:in `visit_prop'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:160:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:160:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:433:in `block (2 levels) in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:433:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:433:in `block in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:181:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:431:in `visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:160:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:160:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:52:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:52:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:169:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:181:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:168:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:36:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:188:in `visit_root'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:159:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/visitors/perform.rb:8:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/root_node.rb:36:in `css_tree'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/tree/root_node.rb:29:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/engine.rb:381:in `_render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/engine.rb:298:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin/compiler.rb:492:in `update_stylesheet'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin/compiler.rb:209:in `each'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin/compiler.rb:294:in `watch'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/plugin.rb:109:in `method_missing'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/exec/sass_scss.rb:360:in `watch_or_update'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/exec/sass_scss.rb:51:in `process_result'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/exec/base.rb:52:in `parse'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/lib/sass/exec/base.rb:19:in `parse!'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.23/bin/sass:13:in `<top (required)>'
/usr/local/bin/sass:23:in `load'
/usr/local/bin/sass:23:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined variable: \"$dark-button\".\A         on line 2 of sass/layout/footer.scss\A \A 1: .site-footer {\A 2: 	background-color: $dark-button;\A 3: 	color: #fff;\A 4: 	font-size: em(11px);\A 5: 	\A 6: 	p {\A 7: 		padding: em(20px) 0 em(15px); "; }