Improve help/ui page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/help/ui.html.haml

@@ -14,6 +14,8 @@
       = link_to 'Lists', '#lists'
     %li
       = link_to 'Tables', '#tables'
+    %li
+      = link_to 'Nav', '#nav'
     %li
       = link_to 'Buttons', '#buttons'
     %li
@@ -30,16 +32,31 @@
   %h2#blocks Blocks
   %h3
-    %code .well
-  .well
-    %h4 Something
+    %code .gray-content-block
+
+  .gray-content-block.middle-block
+    %h4 Normal block inside content
+    = lorem
+
+  .gray-content-block.second-block
+    %h4 Second block
     = lorem
   %h2#lists Lists
+  %h3
+    %code .content-list
+  %ul.content-list
+    %li
+      One item
+    %li
+      One item
+    %li
+      One item
+
   %h3
     %code .well-list
   %ul.well-list
@@ -102,6 +119,34 @@
           %td the Bird
           %td @twitter
+  %h2#navs Navigation
+
+  %h3
+    %code .center-top-menu
+  .example
+    %ul.center-top-menu
+      %li.active
+        %a Open
+      %li
+        %a Closed
+
+  %h3
+    %code .btn-group.btn-group-next
+  .example
+    %div.btn-group.btn-group-next
+      %a.btn.active Open
+      %a.btn Closed
+
+
+  %h3
+    %code .nav.nav-tabs
+  .example
+    %ul.nav.nav-tabs
+      %li.active
+        %a Open
+      %li
+        %a Closed
+
   %h2#buttons Buttons