/*
Error: Undefined variable: "$red_ab".
        on line 22 of C:/wamp/www/dev/VS Card_sistema/sass/layout.scss

17:       }
18:     }
19:   }
20: }
21: .navigation {
22:   background: $red_ab;
23:   height: 146px;
24:   .welcome-user {
25:     display: inline-block;
26:     float: left;
27:     padding: 0 25px 0 35px;

Backtrace:
C:/wamp/www/dev/VS Card_sistema/sass/layout.scss:22
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/script/tree/variable.rb:49:in `_perform'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/script/tree/node.rb:50:in `perform'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:395:in `visit_prop'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `block in with_base'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:115:in `with_frame'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `with_base'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `block (2 levels) in visit_rule'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `map'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:431:in `block in visit_rule'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:429:in `visit_rule'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `block in with_base'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:115:in `with_frame'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/stack.rb:79:in `with_base'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:158:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `map'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:52:in `visit_children'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:167:in `block in visit_children'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:166:in `visit_children'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `block in visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:186:in `visit_root'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:157:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/visitors/perform.rb:8:in `visit'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/root_node.rb:36:in `css_tree'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/tree/root_node.rb:20:in `render'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/engine.rb:278:in `render'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:17:in `block in render'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:29:in `with_import_scope'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/compass-import-once-1.0.5/lib/compass/import-once/engine.rb:16:in `render'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:492:in `update_stylesheet'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:209:in `each'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:471:in `on_file_changed'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/lib/sass/plugin/compiler.rb:328:in `block in watch'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/listener.rb:252:in `call'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/listener.rb:252:in `on_change'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/listener.rb:290:in `block in initialize_adapter'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/adapters/polling.rb:48:in `call'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/adapters/polling.rb:48:in `poll_changed_directories'
C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/sass-3.4.21/vendor/listen/lib/listen/adapter.rb:299:in `block in start_poller'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined variable: \"$red_ab\".\A         on line 22 of C:/wamp/www/dev/VS Card_sistema/sass/layout.scss\A \A 17:       }\A 18:     }\A 19:   }\A 20: }\A 21: .navigation {\A 22:   background: $red_ab;\A 23:   height: 146px;\A 24:   .welcome-user {\A 25:     display: inline-block;\A 26:     float: left;\A 27:     padding: 0 25px 0 35px;"; }