Form cover is not mobile responsive

Is there something specific to set up with the widget? I installed it and could not get it to work with our header image: https://form.jotform.me/61222760483452 

It seems like this is a duplicate thread, I have answered your same concern in this link: https://www.jotform.com/answers/830776. Please refer to that one instead to avoid confusion and for us to better assist you. Thank you for your understanding.