<xsl:template match="ggb">
<xsl:param name="width" select="@width"/>
<xsl:param name="height" select="@height" />
<xsl:param name="title" />
<xsl:variable name="int-id">
<xsl:apply-templates select="." mode="internal-id" />
</xsl:variable>
<xsl:variable name="source-url" select="@source-url" />
<iframe id="{$int-id}"
title="{$title}"
width="{$width}"
height="{$height}"
style="border:0px"
scrolling="no"
src="{$source-url}"/>
</xsl:template>
<ggb source-url="https://www.geogebra.org/material/iframe/id/mAshPGFW/width/700/height/350/border/888888/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/true/rc/false/ld/false/sdz/false/ctl/false" width="700px" height="350px" />