This is element x. It has inline style border: 1px solid #cc0000.
Element y is the test style sheet.
alert(document.styleSheets.length);
alert(y.cssRules.length);
alert(y.cssRules[y.cssRules.length-1].style.cssText);
alert(y.rules.length);
alert(y.rules[y.rules.length-1].style.color);
alert(y.imports.length);