The framework sets some standard classes on the widget's
As a general rule, you can assume that the document's colours are dark unless
| CSS class | Description |
| Theme_standard | Set if the current graphical theme is dark (the default) |
| Theme_light | Set if the current graphical theme is light |
| Theme_blue | Set if the current graphical theme is blue |
| LTR or RTL | Identifies whether the user's selected language for the platform is written left-to-right or right-to-left. Sets CSS |
| BrowserPhoneScreen | Set by the framework if the device qualifies as a "phone-sized" screen. The framework's definition is if either the device width or the device height is less than 500px. Note that this is calculated using the size of the monitor ( |