update font size

Author: matas-bitbybit-dev

react/bitbybit-threejs/src/App.css

@@ -1,7 +1,9 @@
 @import 'https://fonts.googleapis.com/icon?family=Material+Icons';
 @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@200;300&display=swap');
 
-.App {}
+.App {
+    font-size: 12px;
+}
 
 .hideMenu {
     position: absolute;