Log in to your account at https://app.mangodisplay.com.
Choose the display you want to edit.
Then select the widget you want to edit. Click the edit icon.
And click 'Format'.
You then have the option to change the font format. You can edit the font style, size, colour and alignment.
The 'default' background format is the format that was setup as a the default for all widgets in your display settings. One way to change the background is to choose the 'custom' option.
Here, it will show you options to change the background colour, widget background effect, background blur, corners, and shadow.
Another way to change the background is choosing the 'preset' option.
Here you can choose from a variety of pre-existing background options, and also change the colour, corners, shadow and angle of the widget.
Select the settings you want, click save and you're done!