• all - Suitable for all devices.
  • braille - Intended for braille tactile feedback devices.
  • embossed - Intended for paged braille printers.
  • handheld - Intended for handheld devices (typically small screen, limited bandwidth).
  • print - Intended for paged material and for documents viewed on screen in print preview mode.
  • projection - Intended for projected presentations, for example projectors.
  • screen - Intended primarily for color computer screens.
  • speech - Intended for speech synthesizers.
  • tty - Intended for media using a fixed-pitch character grid (such as teletypes, terminals, or portable devices with limited display capabilities). Authors should not use pixel units with the “tty” media type.
  • tv - Intended for television-type devices (low resolution, color, limited-scrollability screens, sound available).

Just in case you were wondering the media types you can target your Stylesheets to.

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