It’s working just fine for me in Chrome 49.0.2623.75 and Firefox 44.0.2.
First, please make sure that your browser is up to date by visiting https://whatbrowser.org/
If it is not, please try updating your browser or switching to a different browser.
If it is, please do these two things:
1. Try clearing your browser’s cache and cookies.
2. Try with all browser extensions or add-ons temporarily disabled.
Please let us know how each step goes for you, and which browser (and version of) you’re using if you’re still having trouble.
