A CSS-like stylesheet.
DOCME: Best, describe where xinf (still) lacks from CSS-2.
See also: CSS 2 Specification
rules.
Match the given object e against the rules found
in this, or the default, StyleSheet.
Matching styles are aggregated into a single dynamic object, with the property values still unparsed text (as returned by StyleParser.parseToObject().
Priorities are not as elaborate as stipulated by CSS2: simply, rules that come last always have higher priority.
Rules from the DEFAULT StyleSheet are also applied (with lower priority than the ones found in this StyleSheet).