Figure 8-18. Offset is implicit in the parent's margins and padding
126.96.36.199. Negative margins
You'll remember that I said the second-simplest rule of
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Consistent color reproduction is, as it happens, a major issue unto itself. As we'll soon see, all colors can be specified in a consistent manner, which would seem to solve the issue of whether two different user agents will display the same color. In fact, the situation is much more complicated. In the first place, human perception is relative. The same color displayed on the same monitor may appear to
Figure 7-50. Using the cascade to one's advantage
7.4.5. Borders and Inline Elements
The equivalents for the various rainbow primaries, plus a few others,are presented in Table 3-1.
Table 3-1. Numeric RGB Equivalents for Common Colors
It is also possible, at least in theory, to use fractional values.For example, you might want a color to be exactly 25.5% red, 40%green, and 98.6% blue. Not a problem: