app/views/opportunities/_contact_info.html.erb
<% if @opportunity.contact_info? %>
<div class="info_box info_box_contact">
<div class="info_box_header">
<h4><%= t('contact') %></h4>
</div>
<div class="info_box_body">
<strong><%= @opportunity.contact_name || @opportunity.contact_email %></strong>
<span>
<% if @opportunity.contact_email.present? %>
<a href='mailto:<%= @opportunity.contact_email %>'><%= @opportunity.contact_email %></a>
<% end %>
<% if @opportunity.contact_phone.present? %>
/
<%= @opportunity.contact_phone %>
<% end %>
</span>
</div>
</div>
<% end %>