app/views/cats/build/add_basic_info.html.erb
<h2>Info básica</h2>
<%= form_for(@cat, :url => wizard_path, :method => :put) do |f| %>
<div class="field">
<%= f.label :name %><br>
<%= f.text_field :name, class: 'form-control' %>
</div>
<div class="field">
<%= f.label :birthday_date %><br>
<%= f.date_field :birthday_date, class: 'form-control' %>
</div>
<div class="field">
<%= f.label :gender %><br>
<%= f.select(:gender, [['Male', :male], ['Female', :female]], {:prompt => 'Select'}, {class: 'form-control'} ) %>
</div>
<br>
<%= f.submit 'Siguiente', :class => 'btn btn-primary' %>
<% end %>