## ThemeColors.dark1 property Specifies color Dark 1. ```python @property def dark1(self) -> aspose.pydrawing.Color: ... @dark1.setter def dark1(self, value: aspose.pydrawing.Color): ... ``` ### Ex......how to set custom colors and fonts for themes. ```python doc =...theme, a source of default fonts and colors. theme = doc.theme...