Units

Named colors: aqua, gray, navy, silver, black, green, olive, teal, blue, lime, purple, white, fuchsia, maroon, red, and yellow.
```
h1 {color:
	lime;}
```
Color by rgb:
rgb(0%,0%,0%)

Color by hex:

h1 {color:
	#FF0000;}

or short hex:

h1 {color::
	#F00;}

Absolute lengths can be in inches, centimeters, millimeter, points (72 per inch), or picas (12 points).

p {font-size: 10in;}
p {font-size: 10cm;}
p {font-size: 10mm;}
p {font-size: 10pt;}
p {font-size: 10pc;}

Relative lengths can be in em (the value of font-size), ex (the height of lower case x) and px (pixels).