W3C CSS2 Cascading Style Sheets, level 2 - instructional media + ...

Assume four weights in the "Rattlesnake" family, from lightest to darkest:
Regular, Medium, Bold, Heavy.
First example of font-weight mapping
Available faces
Assignments Filling the holes
"Rattlesnake Regular" 400 100, 200, 300
"Rattlesnake Medium" 500
"Rattlesnake Bold" 700 600
"Rattlesnake Heavy" 800 900
Assume six weights in the "Ice Prawn" family: Book, Medium, Bold, Heavy,
Black, ExtraBlack. Note that in this instance the user agent has decided not to
assign a numeric value to "Example2 ExtraBlack".
Second example of font-weight mapping
Available faces
Assignments Filling the holes
"Ice Prawn Book" 400 100, 200, 300
"Ice Prawn Medium" 500
"Ice Prawn Bold" 700 600
"Ice Prawn Heavy" 800
"Ice Prawn Black" 900
"Ice Prawn ExtraBlack" (none)
15.5.2 Examples of font matching
Example(s):
The following example defines a specific font face, Alabama Italic. A panose
font description and source URI for retrieving a truetype server font are also
provided. Font-weight and font-style descriptors are provided to describe the font.
The declaration says that the weight will also match any request in the range 300
to 500. The font family is Alabama and the adorned font name is Alabama Italic.
@font-face {
src: local("Alabama Italic"),
url(http://www.fonts.org/A/alabama-italic) format("truetype");
panose-1: 2 4 5 2 5 4 5 9 3 3;
font-family: Alabama, serif;
font-weight: 300, 400, 500;
font-style: italic, oblique;
}
Example(s):
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