This is what the Chameleon skin looks like when using the standard layout.
Result
Code
<structure xmlns="https://ProfessionalWiki.github.io/chameleon/schema/3.5/layout.rng">
<grid class="flex-fill">
<row>
<cell class="flex-grow-0">
<component type="Logo" addLink="yes"/>
</cell>
<cell class="ml-auto col-12 col-cmln">
<row>
<cell>
<component type="PersonalTools" hideNewtalkNotifier="yes" class="pull-right"/>
</cell>
</row>
<row>
<cell>
<component type="SearchBar" buttons="go" class="pull-right"/>
</cell>
</row>
</cell>
</row>
<row>
<cell>
<component type="NavbarHorizontal" class="mb-3 mt-2 mt-cmln-0">
<component type="NavMenu"/>
<component type="Menu" message="secondary-menu"/>
</component>
</cell>
</row>
<row>
<cell>
<component type="PageTools" class="mb-3"/>
</cell>
</row>
<row>
<cell class="col-auto mx-auto">
<component type="SiteNotice"/>
</cell>
</row>
<row>
<cell class="col-auto mx-auto">
<component type="NewtalkNotifier" class="mb-3"/>
</cell>
</row>
<row>
<cell>
<component type="MainContent"/>
</cell>
</row>
</grid>
<grid class="mb-2 mt-4">
<row>
<cell>
<component type="NavbarHorizontal" collapsible="no" class="small mb-2" >
<component type="Toolbox" flatten="no" class="dropup"/>
<component type="LangLinks" flatten="no" class="dropup"/>
</component>
</cell>
</row>
<row>
<cell>
<component type="FooterInfo"/>
<component type="FooterPlaces"/>
</cell>
<cell>
<component type="FooterIcons" class="justify-content-end"/>
</cell>
</row>
</grid>
</structure>