{\rtf1\ansi\deff1{\fonttbl{\f1\froman\fcharset0\fprq2 Arial;}}{\colortbl;\red0\green0\blue0;\red255\green255\blue255;\red0\green0\blue255;}\plain \par \par
\par \parTo work as intended, your CSS style sheet needs a correct document parse tree. This means you should use valid HTML.
\par \par \par \par