transparent;\n  border-right: $caret-width solid;\n  border-bottom: $caret-width solid transparent;\n}\n\n@mixin caret($direction: down) {\n  @if $enable-caret {\n    &::after {\n      display: inline-block;\n      margin-left: $caret-spacing;\n      vertical-align: $caret-vertical-align;\n      content: \"\";\n      @if $direction == down {\n        @include caret-down;\n      } @else if $direction == up {\n        @include caret-up;\n      } @else if $direction == right {\n        @include caret-right;\n...