Stylesheets in PDF (Prawn)

Hi,

Can we use stylesheet classes inside Pdf reports?

i am trying to change the header_color from b7e3fe to .heading oh the stylesheet, inside the table

file:heading.pdf.prawn texts=[""],[""]   pdf.table texts,         :headers => [" Heading "],     :header_color => 'b7e3fe',

file: public/stylesheets/style.css .heading { font-family: "trebuchet ms", Verdana, Arial, Helvetica, sans-serif; font-size: 11px; background: #E5E5E5; color: #0D0E0E; font-weight: bold; padding-left:10px; line-height: 20px;}