popupLayer.assertStyle("width: 400px; height: 200px; border: 2px solid crimson; background: mistyrose; " +
"text-decoration: underline; font-weight: bold; text-align:center; left: 200px; top: 200px;");
popupLayer.mouseOver();
popupLayer.mouseMove();
popupLayer.assertStyle("width: 450px; height: 250px; border: 3px dashed springgreen; background: azure; " +
"text-decoration: overline; font-weight: lighter;");
}