DefaultWidgetStyles returns a new collection of widget styles with default values.

These define the dimensions at which we consider the user to be using a mobile device.

ClickableStyle defines display properties that may be used to style a Clickable widget.

ColorStyle defines backgorund and foreground colors that may be used to style a widget that requires either or both colors.

SwitchStyle defines display properties that may be used to style a Switch widget.

WidgetStyles is a collection of various widget styles.