<% if content_for?(:proposition_header) %>
          <%= yield(:proposition_header) %>
        <% else %>
          <div class="header-proposition">
            <div class="content">
                <a href="/" id="proposition-name"><%= "#{config_item(:proposition_title)}" %></a>
                <a href="https://www.gov.uk/service-manual/phases/<%= "#{config_item(:phase).to_s.downcase}" %>.html" class="proposition-phase"><%= "#{config_item(:phase).to_s.capitalize}" %></a>
            </div>
          </div>
        <% end %>
<% if content_for?(:proposition_header) %>
          <%= yield(:proposition_header) %>
        <% else %>
          <div class="header-proposition">
            <div class="content">
                <a href="/" id="proposition-name"><%= "#{config_item(:proposition_title)}" %></a>
                <a href="https://www.gov.uk/service-manual/phases/<%= "#{config_item(:phase).to_s.downcase}" %>.html" class="proposition-phase"><%= "#{config_item(:phase).to_s.capitalize}" %></a>
                <%= yield(:proposition_links) %>
            </div>
          </div>
        <% end %>
Add yeild for header links
Add yeild for header links
