{{ $page := .page }}
{{ $site := .site }}
{{ $level := .level }}

{{ range .menu }}
  {{ $is := $page.IsMenuCurrent "main" . }}
  <a href="{{ .URL }}">
    <li class="navlevel-{{ $level }}{{ if $is }} active{{ end }}">
      {{ .Name }}
    </li>
  </a>
  {{ if .HasChildren }}
    <!-- If the menu item has children, include this partial template again (recursively) -->
    {{ partial "nav_recursive" (dict "menu" .Children "page" $page "site" $site "level" (add $level 1)) }}
  {{ end }}
{{ end }}