restore breadcrumbs

docs/assets/css/bootstrap.css

@@ -3549,6 +3549,30 @@ button.close {
   border-radius: 0 0 6px 6px;
 }
 
+.breadcrumb {
+  padding: 8px 15px;
+  margin: 0 0 20px;
+  list-style: none;
+  background-color: #f5f5f5;
+  border-radius: 4px;
+}
+
+.breadcrumb > li {
+  display: inline-block;
+  text-shadow: 0 1px 0 #fff;
+}
+
+.breadcrumb > li:after {
+  display: inline-block;
+  padding: 0 5px;
+  color: #ccc;
+  content: "\00a0 /";
+}
+
+.breadcrumb > .active {
+  color: #999999;
+}
+
 @media screen and (min-width: 768px) {
   [class^="span"] {
     float: left;

less/bootstrap.less

@@ -36,6 +36,7 @@
 @import "navs.less";
 @import "navbar.less";
 @import "button-groups.less";
+@import "breadcrumbs.less";