CSS 2.1 Reference: letter-spacing Property

CSS letter-spacing Property
Syntax	selector {letter-spacing: value;} value is specified by using a length or one of the following keywords: normal or inherit.
Usage	The letter-spacing property is used to control the spacing between text letters. If a length value is used, then the specified length is added to the default space between letters. Negative length values are permitted. This property is specified by using a length, or a keyword, according to the syntax shown above. CSS Example: The letter-spacing property is set to 5 pixels. #tst1 {letter-spacing: 5px;}
Keywords	normal - Specifies normal letter spacing for the current font. The browser may modify the spacing to justify the text. inherit - The inherit keyword is used to specify that the value for this property should be taken from the parent element. If inherit is used with the root element, then the initial value for this property will be used.
Applies To	All elements
Inherited	Yes
Initial Value	normal

letter-spacing Property Examples
The letter-spacing property is set to 5 pixels.