Simple automatic breadcrumbs in rails 3

breadcrumbs.css

  #breadcrumbs {
    a {
      float: left;

      &:hover {
        color: #fff;

        &.after:after {
          color: #aaa;
        }
      }

      &.highlight {
        color: #ccc;
        font-weight: bold;
        &:after {color: #aaa;}
      }

      &.after:after {
        display: inline-block;
        padding: 0 5px;
        margin: -2px 0 0;
        font-size: 10px;
        content: ">";
      }
    }
  }

breadcrumbs.rb

<%- second_level = action_name =~ /index/i || @primary.nil?
    separate = second_level ? '' : 'after'

    if !second_level
  -%>
  <div id="breadcrumbs">
    <%= link_to 'Home', '/', :class => 'after' %>
    <%= link_to controller_name.capitalize, '/' + controller_name, :class => separate if second_level %>
    <%- if !second_level -%>
      <%= link_to @primary.class.name.pluralize, '/' + @primary.class.name.downcase.pluralize, :class => separate + ' highlight' %>
      <%= link_to @primary.get_title, @primary %>
    <%- end -%>

  </div>
<% end %>