<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">

  <fo:layout-master-set>
    <fo:simple-page-master master-name="master">
      <fo:region-body />
    </fo:simple-page-master>
  </fo:layout-master-set>

  <fo:page-sequence master-reference="master">
    <fo:flow flow-name="xsl-region-body">
      <fo:block>
        <fo:inline background-color = "yellow">
          Hello,World
        </fo:inline>
      </fo:block>
    </fo:flow>
  </fo:page-sequence>

</fo:root>