hugo/docs/themes/gohugoioTheme/layouts/partials/previous-next-links.html

{{if .Prev }}
  <a href="{{ .Prev.Permalink }}" class="db-l f4 f3-ns link primary-color hover-black fw8 mr4">
    <span class="v-mid dib">{{ partial "svg/ic_chevron_left_black_24px.svg" (dict "size" "30px") }}</span> {{ .Prev.Title }}
  </a>
{{end}}

{{if .Next }}
  <a href="{{.Next.Permalink }}" class="db-l f4 f3-ns link primary-color hover-black fw8">
    {{ .Next.Title }} <span class="v-mid dib">{{ partial "svg/ic_chevron_right_black_24px.svg" (dict "size" "30px") }}</span>
  </a>
{{end}}


<script>
  document.body.onkeyup = function(e){
    if (!(e.ctrlKey || e.shiftKey || e.altKey || e.metaKey)) {
    {{- if .Prev }}
      if (e.keyCode == '37') { window.location = '{{ .Prev.Permalink }}'; }
    {{- end }}
    {{- if .Next }}
      if (e.keyCode == '39') { window.location = '{{ .Next.Permalink }}'; }
    {{- end }}
    }
  };
</script>