List of available TSS properties and available values - Level-2/Transphporm GitHub Wiki

API - Properties & available values

Content

Number of required arguments: 1

Number of optional arguments: 0

Accepts multiple values: Yes

Possible values: Strings or function calls

The content property can take one or more values as strings:

content: "foo", "bar";

Strings can either be hardcoded or the result of function calls such as data lookups

content: data(foo);

content-mode

Number of required arguments: 1

Number of optional arguments: 0

Possible values: append, replace

Accepts multiple values: No

content-mode takes a single value which determines whether supplied content is written to the targeted element or replaces the targeted element