Creates an ANSI SGR command that sets the foreground colour, sets the background colour, and enables all of the desired styling options, while leaving all of the other options unchanged.
The maximum amount of characters any singular AnsiStyle sequence may use.
Contains an AnsiColour for the foreground, an AnsiColour for the background, and an AnsiStyle for additional styling, and provides the ability to create an ANSI SGR command to set the foreground, background, and overall styling of the terminal.
A.k.a This is just a container over two AnsiColours and an AnsiStyle.