Change UI of pywallter

static/vendors/picocss/theme-switcher.js

@@ -0,0 +1,37 @@
+/*!
+ * Minimal theme switcher
+ *
+ * Pico.css - https://picocss.com
+ * Copyright 2020 - Licensed under MIT
+ */
+
+const themeSwitcher = {
+  // Config
+  buttonsTarget: "a[data-theme-switcher]",
+  buttonAttribute: "data-theme-switcher",
+  rootAttribute: "data-theme",
+
+  // Init
+  init() {
+    document.querySelectorAll(this.buttonsTarget).forEach(
+      function (button) {
+        button.addEventListener(
+          "click",
+          function (event) {
+            event.preventDefault();
+            document
+              .querySelector("html")
+              .setAttribute(
+                this.rootAttribute,
+                event.target.getAttribute(this.buttonAttribute)
+              );
+          }.bind(this),
+          false
+        );
+      }.bind(this)
+    );
+  },
+};
+
+// Init
+themeSwitcher.init();