<div class="user-links pull-left" id="side-links">
    <ul>
        <li><%= link_to '', dashboard_account_path,  class: 'fa fa-user'%></li>
        <li><%= link_to '', dashboard_messages_path, class: 'fa fa-envelope-o'%><span>2</span></a></li>
        <li><%= link_to '', dashboard_billing_path,  class: 'fa fa-building-o'%></a></li>
    </ul>
</div>
<!--user-links-->

<div class="dashboard-nav white-bg">
    <ul class="nav nav-pills nav-stacked">
        <li role="presentation" class="active"><%= link_to dashboard_account_path do %>
          <i class="fa fa-user"></i>&nbsp;Account
          <% end %>
        </li>
        <li role="presentation"><%= link_to dashboard_messages_path do %>
          <i class="fa fa-envelope-o"></i>&nbsp;Messages&nbsp;<span>(2)</span>
          <% end %>
        </li>
        <li role="presentation"><%= link_to dashboard_billing_path do %>
          <i class="fa fa-building-o"></i>&nbsp;Billing
          <% end %>
        </li>
    </ul>
</div>

Replace dashboard sidebar with nav pills
Replace dashboard sidebar with nav pills
