<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" >
     <fo:layout-master-set>
          <fo:simple-page-master master-name="test-page-master" page-width="8.5in" page-height="11in">
               <fo:region-body margin-top="0.4in"/>
               <fo:region-before extent="0.3in"/>
          </fo:simple-page-master>
     </fo:layout-master-set>
     <fo:page-sequence master-name="test-page-master">
          <fo:flow flow-name="xsl-region-body">
               <fo:block font-size="10px" line-height="20px">
                    <fo:block font-size="150%" line-height="150%" font-family="sans-serif">This element should be in a sans-serif font. Its font-size should be 150% the containing block size, and its line-height should be 150% of the containing block. Extra text is included for the purposes of testing this more effectively.</fo:block>
               </fo:block>
          </fo:flow>
     </fo:page-sequence>
</fo:root>