code: public static String getVendorPropertyName(String prop) {
      // we prefer vendor specific names by default
      String vendorProp =  JsUtils.camelize("-" + prefix + "-" + prop);
      if (JsUtils.hasProperty(divStyle, vendorProp)) {
        return vendorProp;
      }
      if (JsUtils.hasProperty(divStyle, prop)) {
        return prop;
      }
      String camelProp = JsUtils.camelize(prop);
      if (JsUtils.hasProperty(divStyle, camelProp)) {
        return camelProp;
      }
      return null;
    }
docs: Compute the correct CSS property name for a specific browser vendor.