The options property defines the how the CSS would be generated from the design tokens of the preset.
The prefix of the CSS variables, defaults to p. For instance, the primary.color design token would be var(--p-primary-color).
The CSS rule to encapsulate the CSS variables of the dark mode, the default is the system to generate @media (prefers-color-scheme: dark). If you need to make the dark mode toggleable based on the user selection define a class selector such as .app-dark and toggle this class at the document root. See the dark mode toggle section for an example.
Defines whether the styles should be defined inside a CSS layer named primeui by default or not. A CSS layer would be handy to declare a custom cascade layer for easier customization. The default is false.