The normal inter-word space, as defined by the current font and/or the UA.
{ word-spacing:0 } This value indicates inter-word space in addition to the default space between words. Values may be negative, but there may be implementation-specific limits.
{ word-spacing:-3px } This value indicates inter-word space in addition to the default space between words. Values may be negative, but there may be implementation-specific limits.
{ word-spacing:1em } This value indicates inter-word space in addition to the default space between words. Values may be negative, but there may be implementation-specific limits.