Ah yes, customised Themes and CSS are often the first place to look when display of content appears wrong - I always just quickly switch to Boost on client sites to quickly check as first part of the trouble-shooting process.
In reply to Stuart Mealor
Re: Re: H5P iFrame -- content shrinking to a few pixels
by Nico Potgieter -
I have the same problem after upgrading to latest version of Moodle
Has anybody resolved this?