By default, any custom theme will be based on the legacy light theme. To use the TriliumNext theme instead, add the `#appThemeBase=next` attribute onto the existing theme. The `appTheme` attribute must also be present.
By default, any custom theme will be based on the legacy light theme. To use the TriliumNext theme instead, add the `#appThemeBase=next` attribute onto the existing theme. The `appTheme` attribute must also be present.


The `appThemeBase` label can be set to one of the following values:
The `appThemeBase` label can be set to one of the following values: