Server-side code is not bound by the same origin policy and can perform cross-origin requests without a problem. You could therefore make some kind of proxy and use that to retrieve whatever data you need.
Tests during „Fussball-Europameisterschaft“ 2016 France.
With this Online-Tool you can style Images from your computer, Images from the Web, iFrames like YouTube Videos, Streetview etc, Websites and generate the css-code for the applied Filters.
Create a HTML-Block and add a little hack.
Change the label of the full-screen button to be more intuitive. I am happy that I could help to improve the usability of their product.