I just tried four different browser apps. The buttons on the page to choose "guitar options" or "bass options" etc are unresponsive.
I imagine something about the recent addition of new popup message about COVID-19 when you first reaxh this URL has something to do with it.
Following are the browser apps I tried.
1. Google Chrome for Android
2. Firefox for Android
3. Google Chrome for Windows 7
4. Internet Explorer for Windows 7
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