InputSource is = new InputSource(new StringReader(css));
CSSStyleSheet stylesheet = parser.parseStyleSheet(is);
CSSRuleList list = stylesheet.getCssRules();
// ArrayList assists = new ArrayList();
for(int i=0;i<list.getLength();i++){
CSSRule rule = list.item(i);
if(rule instanceof CSSStyleRule){
CSSStyleRule styleRule = (CSSStyleRule)rule;
String selector = styleRule.getSelectorText();
SelectorList selectors = parser.parseSelectors(new InputSource(new StringReader(selector)));
for(int j=0;j<selectors.getLength();j++){