document.write('
Error: Feed failed! Causes may be (1) No data found for RSS feed https://emediaworld.com/thread/what-is-the-syntax-of-opacity-in-css3; (2) There are no items are available for this feed; (3) The RSS feed does not validate.
Please verify that the URL https://emediaworld.com/thread/what-is-the-syntax-of-opacity-in-css3 works first in your browser and that the feed passes a validator test.