sophie-lewis-hugo/themes/sophie-lewis/layouts/partials/nav.html

<nav>
  <div class="tabs is-fullwidth nav-tabs is-uppercase">
    <ul>
      <li{{ if eq $.Page.Params.Title "index" }} class="is-active"{{ end }}><a href="/">Home</a></li>
      {{ range $nav_tab := site.Params.navbar }}
        {{ $nav_title := replace $nav_tab "-" " " | title }}
        {{ if eq $.Page.Params.title $nav_title }}
          <li class="is-active"><a href="/{{$nav_tab}}">{{ $nav_title }}</a></li>
        {{else}}
          <li><a href="/{{$nav_tab}}">{{ $nav_title }}</a></li>
        {{ end }}
      {{ end }}
    </ul>
  </div>
</nav>