Videos blurred out, sound only

Hi, I have only just started using this site and am 5 lessons into the Swift IOS First App course and everything was working perfectly until suddenly all videos across the whole site are blurred and all i get is sound. I have tried, Firefox, Chrome, Safari, my windows IE browser and my iPhone. please help… i was really getting into it!!

Thanks T

I too am now having this same issue.

@tszell @dahbull Do you still have issues with this?