run grunt dist

dist/css/bootstrap-theme.css

+/*!
+* Bootstrap v3.0.0 by @fat and @mdo
+* Copyright 2013 Twitter, Inc.
+* Licensed under http://www.apache.org/licenses/LICENSE-2.0
+*
+* Designed and built with all the love in the world by @mdo and @fat.
+*/
 .btn-default,
 .btn-primary,
 .btn-success,

dist/css/bootstrap.css

+/*!
+* Bootstrap v3.0.0 by @fat and @mdo
+* Copyright 2013 Twitter, Inc.
+* Licensed under http://www.apache.org/licenses/LICENSE-2.0
+*
+* Designed and built with all the love in the world by @mdo and @fat.
+*/
 /*! normalize.css v2.1.3 | MIT License | git.io/normalize */
 
 article,
@@ -3860,6 +3867,13 @@ textarea.input-group-sm > .input-group-btn > .btn {
   border-color: #428bca;
 }
 
+.nav .open > a .caret,
+.nav .open > a:hover .caret,
+.nav .open > a:focus .caret {
+  border-top-color: #2a6496;
+  border-bottom-color: #2a6496;
+}
+
 .nav .nav-divider {
   height: 1px;
   margin: 9px 0;
@@ -3967,6 +3981,13 @@ textarea.input-group-sm > .input-group-btn > .btn {
   background-color: #428bca;
 }
 
+.nav-pills > li.active > a .caret,
+.nav-pills > li.active > a:hover .caret,
+.nav-pills > li.active > a:focus .caret {
+  border-top-color: #ffffff;
+  border-bottom-color: #ffffff;
+}
+
 .nav-stacked > li {
   float: none;
 }