jk_na/themes/nipponalba/layouts/partials/footer.html

  <footer id="footer">
    &copy; {{ now.Format "2006"}} | <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">CC-BY 4.0</a> | <a href="{{ .Permalink }}index.xml"><i class="fa fa-rss fa-fw" aria-hidden="true" title="Blog RSS feed"></i></a><br/>
    <img src="{{ .Site.Params.siteLogo | absURL }}" alt="nipponalba logo" id="logo"><br/>
    Made with ❤ and <a href="https://gohugo.io/">Hugo</a> by {{ .Site.Params.author }}
  </footer>

    <script>
      // This code is only used to remember theme selection between page loads
      const themeSwitch = document.querySelector('.theme-switch');
      themeSwitch.checked = localStorage.getItem('switchedTheme') === 'true';

      themeSwitch.addEventListener('change', function(e) {
        if (e.currentTarget.checked === true) {
          // Add item to localstorage
          localStorage.setItem('switchedTheme', 'true');
        } else {
          // Remove item if theme is switched back to normal
          localStorage.removeItem('switchedTheme');
        }
      });
    </script>
</body>
</html>