5. A system comprising: one or more processors; one or more computer storage media for storing instructions, which when executed by the one or more processors, cause the one or more processors to: compute style rules for a plurality of elements of an original markup language video content to define pseudo-classes which preserve a dynamic layout, presentation, rendering, and user interface interaction of a plurality of elements of the content; transcode the plurality of elements and the style rules into a binary format video content with a document object model hierarchy via a routine specific to a predetermined client, the binary format video content including a list of the pseudo-classes for preserving a layout, rendering, user interface (UI) interaction, and dynamic aspect of the original markup language video, wherein the document object model hierarchy includes nodes having pre-cascaded style rules; and a network interface to communicate the binary format video content for presentation over a network to the predetermined client.
9. The system as recited in claim 5 , wherein the network is at least one of: a cable television broadcasting network; a satellite television broadcasting network; a cellular telephone network; a terrestrial analog or digital broadcasting television network; a local area network (LAN); a wide area network (WAN); or an Internet.