This is the revision history for css spec in <libera.chat:##NULL>
| factoid_id | subject | copula | predicate | author | namespace |
|---|---|---|---|---|---|
| 4291 | css spec | is | http://w3.org/TR/CSS21/ <- that's CSS Specification read all of it and you will have no problems with CSS | perlbot | <*:##NULL> |