app/views/reports/_report_table_header.html.erb
<% table_header = "<div class = 'reviewreport'><table width='100% cellspacing='0' cellpadding='2' border='0' class='table table-striped'><tr bgcolor='#CCCCCC'>" %>
<% headers.each do |header, percentage| %>
<% table_header += if percentage %>
<% "<th width = #{percentage}> #{header.humanize} </th>" %>
<% else %>
<%"<th> #{header.humanize} </th>" %>
<% end %>
<% end %>
<% table_header += "</tr>"%>
<% return table_header.html_safe %>