Problem with Calendar on Inspiro theme

Hello, I have a problem with my schedule page Calendar on the mobile version of Inspiro theme.
The schedule page is half the size it should be and thats really problematic for my customers :/
I tried everything (playing with the height, tried addons of Calendly etc…) but nothing works…
I tried the same thing on others themes and it worked perfectly : this bug just happens on Inspiro (and whatever the page where i put the schedule page, this bug is general).

The page I need help with: [log in to see the link]


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