<h1> Select a Category for your Track </h1>

<% @categories.each do |category| %>
  <li><%= link_to category.name,  new_category_track_path(category.id)%></li>
<%end%>


<h1> Select a Category for your Track </h1>

<div class="row"><% @categories.each do |category| %>
  <div class="col-xs-12 col-md-12 thumbnail">


  <h4 class="text-center"><%= link_to category.name,  new_category_track_path(category.id)%></h4>


  </div>

<%end%>
</div>


Add class row and 1 column layout
Add class row and 1 column layout
