update

app/assets/stylesheets/car_logs.scss

 // Place all the styles related to the Car_logs controller here.
 // They will automatically be included in application.css.
 // You can use Sass (SCSS) here: http://sass-lang.com/
+Copy
+<button type="button" class="btn btn-default" aria-label="Left Align">
+  <span class="glyphicon glyphicon-align-left" aria-hidden="true"></span>
+</button>
\ No newline at end of file

app/views/car_logs/index.html.erb

-<<%= link_to "Home", root_path %>
-<%= link_to "Create New Records", newcar_path %>
+<nav class="navbar navbar-default">
+  <div class="container-fluid">
+    <!-- Brand and toggle get grouped for better mobile display -->
+    <div class="navbar-header">
+      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
+        <span class="sr-only">Toggle navigation</span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+      </button>
+      <a class="navbar-brand">Car Log - App</a>
+    </div>
+
+    <!-- Collect the nav links, forms, and other content for toggling -->
+    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+      <ul class="nav navbar-nav">
+        <li class="active"><%= link_to "Car Log - Records", records_path %><span class="sr-only">(current)</span></a></li>
+        <li><%= link_to "Create New Records", newcar_path %></a></li>
+      </ul>
+    </div><!-- /.navbar-collapse -->
+  </div><!-- /.container-fluid -->
+</nav>
 <h1>Records of cars</h1>
 
 <table class="table">
@@ -15,4 +35,11 @@
 		</tr>
 	<% end %>
 </table>
+<nav>
+  <ul class="pagination">
+    <li class="disabled"><a href="#" aria-label="Previous"><span aria-hidden="true">&laquo;</span></a></li>
+    <li class="active"><a href="#">1 <span class="sr-only">(current)</span></a></li>
+    ...
+  </ul>
+</nav>
 

app/views/car_logs/new.html.erb

-<%= link_to "Home", root_path %>
-<%= link_to "Car Log - Records", records_path %>
+<nav class="navbar navbar-default">
+  <div class="container-fluid">
+    <!-- Brand and toggle get grouped for better mobile display -->
+    <div class="navbar-header">
+      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
+        <span class="sr-only">Toggle navigation</span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+      </button>
+      <a class="navbar-brand">Car Log - App</a>
+    </div>
+
+    <!-- Collect the nav links, forms, and other content for toggling -->
+    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+      <ul class="nav navbar-nav">
+        <li class="active"><%= link_to "Car Log - Records", records_path %><span class="sr-only">(current)</span></a></li>
+        <li><%= link_to "Create New Records", newcar_path %></a></li>
+      </ul>
+    </div><!-- /.navbar-collapse -->
+  </div><!-- /.container-fluid -->
+</nav>
 <h1>Create New Car</h1>
 
 <%= form_tag "/carlogs/create" do %>

app/views/pages/index.html.erb

-<h1>Car Log - App</h1>
-<%= link_to "Car Log - Records", records_path %>
-<%= link_to "Create New Records", newcar_path %>
+<nav class="navbar navbar-default">
+  <div class="container-fluid">
+    <!-- Brand and toggle get grouped for better mobile display -->
+    <div class="navbar-header">
+      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
+        <span class="sr-only">Toggle navigation</span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+      </button>
+      <a class="navbar-brand">Car Log - App</a>
+    </div>
+
+    <!-- Collect the nav links, forms, and other content for toggling -->
+    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+      <ul class="nav navbar-nav">
+        <li class="active"><%= link_to "Car Log - Records", records_path %><span class="sr-only">(current)</span></a></li>
+        <li><%= link_to "Create New Records", newcar_path %></a></li>
+      </ul>
+    </div><!-- /.navbar-collapse -->
+  </div><!-- /.container-fluid -->
+</nav>
\ No newline at end of file