/*
Error: Undefined mixin 'clearfix'.
        on line 37 of sass/bootstrap/button-groups.scss, in `clearfix'
        from line 37 of sass/bootstrap/button-groups.scss

32: }
33: 
34: // Optional: Group multiple button groups together for a toolbar
35: .btn-toolbar {
36:   margin-left: -5px; // Offset the first child's margin
37:   @include clearfix;
38: 
39:   .btn-group,
40:   .input-group {
41:     float: left;
42:   }

Backtrace:
sass/bootstrap/button-groups.scss:37:in `clearfix'
sass/bootstrap/button-groups.scss:37
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:338:in `block in visit_mixin'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:98:in `block in with_mixin'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:98:in `with_mixin'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:336:in `visit_mixin'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `block (2 levels) in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `block in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:418:in `visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:167:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:166:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:186:in `visit_root'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:157:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:8:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/root_node.rb:36:in `css_tree'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/root_node.rb:29:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/engine.rb:368:in `_render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/engine.rb:285:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:489:in `update_stylesheet'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:209:in `each'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:293:in `watch'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin.rb:108:in `method_missing'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/sass_scss.rb:370:in `watch_or_update'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/sass_scss.rb:50:in `process_result'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/base.rb:52:in `parse'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/base.rb:19:in `parse!'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/bin/sass:13:in `<top (required)>'
/usr/bin/sass:23:in `load'
/usr/bin/sass:23:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined mixin 'clearfix'.\A         on line 37 of sass/bootstrap/button-groups.scss, in `clearfix'\A         from line 37 of sass/bootstrap/button-groups.scss\A \A 32: }\A 33: \A 34: // Optional: Group multiple button groups together for a toolbar\A 35: .btn-toolbar {\A 36:   margin-left: -5px; // Offset the first child's margin\A 37:   @include clearfix;\A 38: \A 39:   .btn-group,\A 40:   .input-group {\A 41:     float: left;\A 42:   }"; }
