color should be green

bug @ stylesheet-debug.js line 211
cssRules[sel].style.cssText +=";"+ r.style.cssText;
should change to
cssRules[sel].style.cssText = r.style.cssText+";"+cssRules[sel].style.cssText;

color should be red

bug @ stylesheet-debug.js line 528
replace(/([^ ])\[.*?\]/g,'$1').
should change to
replace(/([^ ])(\[.*?\])+/g,'$1').