card
Indicates the general layout and user schemes in the user agent. The card is the basic unit of navigation within a deck. It is possible to move from one card to another within the same deck or to move to another deck. Unless specified otherwise, upon navigation to another deck, the first card is displayed.

attributes

newcontext="false"
If you set this attribute to true, the browser context is re-initialized upon entry to this card. The browser context is used to manage all parameters and user agent states, including variables, the navigation history and other implementation-dependent information related to the current state of the user agent.
ordered=boolean
Gives an indication to the user agent about how the card content is organized.
onenterforward="href"
Navigates to the location specified by href. Occurs when the user navigates into a card using a go task.
onenterbackward="href"
Navigates to the location specified by href. Occurs when the user navigates into a card using a prev task.
ontimer="href"
Navigates to the location specified by href after a specified amount of time.
xml:lang
Specifies the natural or formal language in which the document is written.
id
Provides an element with a unique name within a single deck.
class
Affiliates an element with one or more classes.