Is it possible to customize widget's appearance?

You can customize the widget’s appearance by overriding its CSS classes.

The File Uploader is thoroughly annotated with CSS classes. That’s your starting point with deeper customization. You can find a class for every widget item by inspecting its elements or sifting through the widget source code.

Also, our widget is designed to organically inherit styles from your page: dialog elements get scaled in line with your font size.

Here are some topics that cover specific customization cases: