How can I change the widget width?

The app has an option to change the width of the widget. These options can be found in the app preferences page on the  'Visual preferences' section under the 'Widget global styles':

You can type the desired width or leave it empty for unlimited width (it will take the width of its parent container):

In the screenshot below, you can see an example of a widget with maximum width:

If we reduce the size to 200 pixels, the widget will now look like this screenshot: