Possible values letter-spacing can be specified in any length unit. Length units are discussed in our section on values . For tighter kern, that is to make characters appear more closely together than is the default, negative letter-spacing can be specified. In addition, the keyword value normal can be used to specify letter-spacing . By default text has a letter-spacing of normal .
Elements have the same letter-spacing as their parent element.
The letter-spacing value of normal overrides an inherited value. A relative letter-spacing value, like em or ex, rather than an absolute value. For more, see our section on length values . Detailed browser support information for this feature can be found in the full version of the Westciv CSS Guide , or in our CSS Browser Support Table . What it does Traditionally in typography, control over the space between words, what is known as track , has been an important element in page design.