Haml HTML Email Boilerplate

html-email.haml

!!!
%html{ :xmlns => "http://www.w3.org/1999/xhtml" }
  %head
    :plain
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    %meta{ :name => "viewport", :content => "width=device-width, initial-scale=1.0" }
    %title 
    =stylesheet_link_tag 'site'

  %body{ }
    %table#wrapper{ :cellpadding => "0", :cellspacing => "0", :border => "0" }
      %tr
        %td
          %table#main{ :cellpadding => "0", :cellspacing => "0", :border => "0", :width => "600" }
            %tr
              %td
                %div{ :style => "display: none;" }
                  <singleline></singleline>
                  <unsubscribe>unsubscribe</unsubscribe>