Relative LengthsSupport Key: CSS1 | CSS2 | IE3 | N4B3 | O3.5 |
Other Units |
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Absolute Length URL Color |
Angle Time Frequency |
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= Index DOT Css by Brian Wilson
[bloo@blooberry.com] = |
"It is recommended that the reference pixel be the visual angle of one pixel on a device with a pixel density of 90dpi and a distance from the reader of an arm's length. For a nominal arm's length of 28 inches, the visual angle is therefore about 0.0227 degrees."