/ light mode switch
    window.quartoToggleColorScheme = () => {
      // Read the current dark / light value
      let toAlternate = !hasAlternateSentinel();
      toggleColorMode(toAlternate);
      setStyleSentinel(toAlternate);
      toggleGiscusIfUsed(toAlternate, darkModeDefault);
      window.dispatchEvent(new Event('resize'));
    };
    // Switch to dark mode if need be
    if (hasAlternateSentinel()) {
      toggleColorMode(true);
    } else {
      toggleColorMode(false);
    }
  </script>

<div 