Fixed screen size, added dark mode app menu icons, added haptics, added keyboard dismiss with swipe

src/util.js

@@ -0,0 +1,7 @@
+export default class util {
+    static cssVariable(value) {
+        return getComputedStyle(document.documentElement)
+        .getPropertyValue("--" + value)
+        .trim();
+    }
+}