/*
Syntax error: Undefined variable: "$font-family-default".
        on line 19 of sass/base.scss

14:   position: fixed;
15:   top: 0;
16:   right: 0;
17:   bottom: 0;
18:   left: 0;
19:   font-family: $font-family-default;
20:   font-size: $font-size-default;
21:   line-height: $line-height-default;
22:   color: #000;
23:   background-color: #fff;
24: }

Backtrace:
sass/base.scss:19
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/script/tree/variable.rb:49:in `_perform'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/script/tree/node.rb:50:in `perform'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:366:in `visit_prop'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:36:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:152:in `block in visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:79:in `block in with_base'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:121:in `with_frame'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:79:in `with_base'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:152:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:389:in `block (2 levels) in visit_rule'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:389:in `map'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:389:in `block in visit_rule'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:173:in `with_environment'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:387:in `visit_rule'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:36:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:152:in `block in visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:79:in `block in with_base'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:121:in `with_frame'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/stack.rb:79:in `with_base'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:152:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:52:in `map'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:52:in `visit_children'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:161:in `block in visit_children'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:173:in `with_environment'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:160:in `visit_children'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:36:in `block in visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:180:in `visit_root'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/base.rb:36:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:151:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/visitors/perform.rb:8:in `visit'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/root_node.rb:36:in `css_tree'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/tree/root_node.rb:20:in `render'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/engine.rb:274:in `render'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin/compiler.rb:414:in `update_stylesheet'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin/compiler.rb:189:in `block in update_stylesheets'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin/compiler.rb:186:in `each'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin/compiler.rb:186:in `update_stylesheets'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin/compiler.rb:221:in `watch'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/plugin.rb:108:in `method_missing'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/exec.rb:509:in `watch_or_update'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/exec.rb:346:in `process_result'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/exec.rb:43:in `parse'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/lib/sass/exec.rb:22:in `parse!'
/Users/airen/.rvm/gems/ruby-2.1.1/gems/sass-3.3.6/bin/sass:13:in `<top (required)>'
/Users/airen/.rvm/gems/ruby-2.1.1/bin/sass:23:in `load'
/Users/airen/.rvm/gems/ruby-2.1.1/bin/sass:23:in `<main>'
/Users/airen/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in `eval'
/Users/airen/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Syntax error: Undefined variable: \"$font-family-default\".\A         on line 19 of sass/base.scss\A \A 14:   position: fixed;\A 15:   top: 0;\A 16:   right: 0;\A 17:   bottom: 0;\A 18:   left: 0;\A 19:   font-family: $font-family-default;\A 20:   font-size: $font-size-default;\A 21:   line-height: $line-height-default;\A 22:   color: #000;\A 23:   background-color: #fff;\A 24: }"; }