foil.subtitle.properties — Specifies properties for all foil subtitles
<xsl:attribute-set name="foil.subtitle.properties">
<xsl:attribute name="font-family">
<xsl:value-of select="$slide.title.font.family"></xsl:value-of>
</xsl:attribute>
<xsl:attribute name="text-align">center</xsl:attribute>
<xsl:attribute name="font-size">
<xsl:value-of select="$foil.title.master * 0.8"></xsl:value-of><xsl:text>pt</xsl:text>
</xsl:attribute>
<xsl:attribute name="space-after">12pt</xsl:attribute>
</xsl:attribute-set>