{{- $assetBusting := not .Site.Params.disableAssetsBusting }}
    <link href="{{"css/nucleus.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/fontawesome-all.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/featherlight.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/perfect-scrollbar.min.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/auto-complete.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/theme.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    {{- $themevariants := slice | append .Site.Params.themeVariant }}
    {{- with index $themevariants 0 }}
    <link id="variant-style" href="{{(printf "css/theme-%s.css" .) | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    <link href="{{"css/variant.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    {{- end }}
    <link href="{{"css/theme-relearn-light.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet" media="print">
    <link href="{{"css/print.css" | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet" media="print">
    {{- range .Site.Params.custom_css }}
    <link href="{{(printf "%s" .) | relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}" rel="stylesheet">
    {{- end }}
    <style>
    {{- if .Site.Params.disableInlineCopyToClipBoard }}
      :not(pre) > code.copy-to-clipboard-code + span.copy-to-clipboard-button {
        display: none;
      }
      :not(pre) > code.copy-to-clipboard-code {
        border-bottom-right-radius: 2px;
        border-top-right-radius: 2px;
        border-right-width: 1px;
      }
    {{- end }}
    </style>
    <script>
      {{ "// we need to define this script in the head to avoid flickering" | safeJS }}
      {{ "// on page load if the user has selected a non default variant" | safeJS }}
      var theme = window.localStorage.getItem( 'theme' );
      changeTheme( theme );
      function parseTheme( s ){
        if( !s || !s.match ){
          return '';
        }
        var matches = s.match(/^.*\/?theme-(.*?)\.css.*$/);
        var theme = matches && matches.length == 2 ? matches[ 1 ] : '';
        return theme;
      }
      function getTheme(){
        var link = document.querySelector( '#variant-style' );
        if( !link ){
          return;
        }
        var path = link.getAttribute( 'href' );
        var theme = parseTheme( path );
        return theme;
      }
      function markTheme( theme ){
        var select = document.querySelector( '#select-theme' );
        if( !select ){
          return;
        }
        select.value = theme;
      }
      function changeTheme( theme ){
        {{- $quotedthemevariants := slice }}
        {{- range $themevariants }}
          {{- $quotedthemevariants = $quotedthemevariants | append (printf "\"%s\"" .) }}
        {{- end }}
        var themes = [ {{ delimit $quotedthemevariants ", " | safeJS }} ];
        if( themes.indexOf( theme ) < 0 ){
          theme = themes.length ? themes[ 0 ] : null;
        }
        if( !theme ){
          return;
        }
        var link = document.querySelector( '#variant-style' );
        if( !link ){
          return;
        }
        var old_path = link.getAttribute( 'href' );
        var new_path = old_path.replace( /^(.*\/theme-).*?(\.css.*)$/, '$1' + theme + '$2' );
        if( old_path != new_path ){
          window.localStorage.setItem( 'theme', theme );
          link.setAttribute( 'href', new_path );
          markTheme( theme );
          {{ "// remove selection, because if some uses an arrow navigation" | safeJS }}
          {{ "// by pressing the left or right cursor key, we will automatically" | safeJS }}
          {{ "// select a different style" | safeJS }}
          if( document.activeElement ){
            document.activeElement.blur();
          }
        }
      }
    </script>
    <script src="{{"js/jquery.min.js"| relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}"></script>