XSLT Style Sheets are well formed XML Documents

• xsl:stylesheet - root element
• xsl:template - how to transform selected node
• match - Attribute to select node
• "/" - root node of input XML document

   <?xml version="1.0"?> 
   <xsl:stylesheet version="1.0"
                   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
      <xsl:template match="/">
       .
       .
       .
      </xsl:template>

   </xsl:stylesheet>