URL: https://demo.optimoiot.it/dashboard/main

Browser / Version: Firefox 80.0
Operating System: Windows 10
Tested Another Browser: Yes Edge

Problem type: Site is not usable
Description: Buttons or links not working
Steps to Reproduce:
Move the mouse over the chart "Temperature". The mouse icone chnages to hand (and this is ok).
This should enable the zoom functionality using the mouse wheel, but this doesn't happen.
If you scroll the wheel, the page is scrolled up and down.
Maybe the chart doesn't take the focus?

View the screenshot

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