ok. i tried this, but nothing has changed after a modified the Default Template.xslt like this, and i made the changes to skin.css
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html"/>
<xsl:param name="ControlID" />
<xsl:param name="Options" />
<xsl:template match="root">
<script type="text/javascript">
DDR.Menu.registerMenu('<xsl:value-of select="$ControlID"/>', <xsl:value-of select="$Options"/>);
</script>
<xsl:apply-templates select="node" />
</ul>
</div>
</xsl:template>
<xsl:template match="node">
<li nid="{@id}">
<xsl:choose>
<xsl:when test="@selected = 1 and @breadcrumb = 1">
<xsl:attribute name="class">selected breadcrumb</xsl:attribute>
</xsl:when>
<xsl:when test="@selected = 1">
<xsl:attribute name="class">selected</xsl:attribute>
</xsl:when>
<xsl:when test="@breadcrumb = 1">
<xsl:attribute name="class">breadcrumb</xsl:attribute>
</xsl:when>
</xsl:choose>
<xsl:choose>
<xsl:when test="@enabled = 1">
<xsl:if test="@icon">
</xsl:if>
<span>
<xsl:value-of select="@text" />
</span>
</a>
<a href="{@url}">
<xsl:attribute name="class">tab-<xsl:value-of select="@id" /></xsl:attribute>
<xsl:value-of select="@text" />
</a>
</xsl:when>
<xsl:otherwise>
<xsl:if test="@icon">
</xsl:if>
<span>
<xsl:value-of select="@text" />
</span>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="node">
<xsl:apply-templates select="node" />
</ul>
</xsl:if>
</li>
</xsl:template>
</xsl:stylesheet>