Export configuration of demo website doesn't work anymore

Hello,

On the demo website, when you click export to export current configuration, it open a new blank page and then, nothing happen...

[munkhbayaryo]

Same problem here. Is that project died? :(

[benzkji]

try firefox! chrome is broken here too.

[benzkji]

also, #16 explains why

[reizercraft]

IE11 opens a page of which URL is data:image/png;base64.... but still nothing happens

[simplenotezy]

Also opening in Safari works - however, the image is static. I wonder if this is only an issue with the demo, and if I install the dependecy locally in my project, it might work?