test

            normalizeShorthandProperties(cssProps);

            std::map<std::string,std::string> elementEnv =

                resolveCustomProperties(cssProps, frame.customPropertyEnv);

            if (cssClass.find("con-kit-fade-box") != std::string::npos && cssProps.count("height")) {

                std::string dataFit = el->getAtributte("data-fit");

                fprintf(stderr, "[DBG2] height=%s dataFit=%s parentClasses=",

                        cssProps["height"].c_str(), dataFit.empty() ? "<none>" : dataFit.c_str());

                for (auto &af : frame.ancestorChain)

                    fprintf(stderr, "[%s]", af.classes.empty() ? "" : af.classes.back().c_str());

                fprintf(stderr, "\n");

            }

            // This element's own attributes, so a descendant's matched rule

            // can verify an attribute-selector condition on THIS ancestor