views/cap_mailer/_section_custom.html.erb
<div style="margin: 20px; padding: 0 0 20px 0;">
<h2 style="margin: 0px; padding: 10px 10px 5px 10px; background: #f3f3f3; color: #333;"><%= section_title.titleize unless section_title.nil? -%></h2>
<% data.each do |_data| -%>
<% _data.each do |key, value| %>
<p style="margin: 10px; padding: 0px;">
<span style="float:left; width:150px; padding: 10px 10px 0;"><%= key %></span>
<span style="float:left; width:490px; padding: 10px 10px 0;"><%= value.is_a?(Array) ? value.to_sentence : value.is_a?(String) ? value : value.inspect%></span>
<span style="clear: both;"></span>
</p>
<% end %>
<% end unless data.nil?-%>
<p style="clear:both"></p>
</div>