Note that these values only apply to the 'style' keyword, not 'textstyle'.
| Value | Comment |
|---|---|
| WINDOW_STYLE_EMPTY | no background |
| WINDOW_STYLE_FILLED | filled with background color |
| WINDOW_STYLE_GRADIENT | gradient bar based on background color |
| WINDOW_STYLE_SHADER | background shader |
| WINDOW_STYLE_TEAMCOLOR | team color |
| WINDOW_STYLE_CINEMATIC | cinematic |