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CSS Media Types

Media Types

Some CSS properties are only designed for a certain media. For example the "voice-family" property is designed for aural user agents. Some other properties can be used for different media types. For example, the "font-size" property can be used for both screen and print media, but perhaps with different values. A document usually needs a larger font-size on a screen than on paper, and sans-serif fonts are easier to read on the screen, while serif fonts are easier to read on paper.

The @media Rule

The @media rule allows different style rules for different media in the same style sheet.
The style in the example below tells the browser to display a 14 pixels Verdana font on the screen. But if the page is printed, it will be in a 10 pixels Times font. Notice that the font-weight is set to bold, both on screen and on paper:
<html>
<head>
<style>
@media screen
  {
  p.test {font-family:verdana,sans-serif;font-size:14px;}
  }
@media print
  {
  p.test {font-family:times,serif;font-size:10px;}
  }
@media screen,print
  {
  p.test {font-weight:bold;}
  }
</style>
</head>

<body>
....
</body>
</html>
See it yourself ! If you are using Mozilla/Firefox or IE5+ and print this page, you will see that the paragraph under "Media Types" will be displayed in another font, and have a smaller font size than the rest of the text.

Different Media Types

Note: The media type names are not case-sensitive.
Media Type Description
all Used for all media type devices
aural Used for speech and sound synthesizers
braille Used for braille tactile feedback devices
embossed Used for paged braille printers
handheld Used for small or handheld devices
print Used for printers
projection Used for projected presentations, like slides
screen Used for computer screens
tty Used for media using a fixed-pitch character grid, like teletypes and terminals
tv Used for television-type devices

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