public static String escapeIFrameCss(String orig) {
String rule = "";
CSSOMParser parser = new CSSOMParser();
try {
List<String> rules = Lists.newArrayList();
CSSStyleDeclaration decl = parser.parseStyleDeclaration(new InputSource(new StringReader(orig)));
for (int i = 0; i < decl.getLength(); i++) {
String property = decl.item(i);
String value = decl.getPropertyValue(property);
if (StringUtils.isBlank(property) || StringUtils.isBlank(value)) {