DikovenkaLS,
Выглядит так:
<xsl:template match="/site">
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<!--
Сюда и добавляете код -->
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#top-menu">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="top-menu">
<ul class="nav navbar-nav">
<!-- Главная -->
<li>
<xsl:if test="//structure[@id = $current_structure_id]/path = '/'">
<xsl:attribute name="class">current</xsl:attribute>
</xsl:if>
<a href="/" title="{name}" hostcms:id="{@id}" hostcms:field="name" hostcms:entity="structure" data-toggle="dropdown" class="dropdown-toggle"><i class="fa fa-home fa-fw"></i>
</a>
</li>
<!-- Выбираем узлы структуры первого уровня -->
<xsl:apply-templates select="structure[show=1]" />
</ul>
</div>
</div>
</nav>
</xsl:template>
