            if (node.style.display === "none") {
                node.style.display = "";
            } else {
                node.style.display = "none";
            }
        });

        darkTheme = !darkTheme;

        fetch("/config/dark_theme", {
          method: "POST",
          headers: { "Content-Type": "application/x-www-form-urlencoded" },
          body: new URLSearchParams({ dark_theme: darkTheme })
        });
    }

    // When going back, we need to refresh the page because the browser us