Mobile responsive

hello, I have embbedded my form onto my website and viewing from a desk top is fine. However, when viewed on a mobile device it just jumps and jitters and is very difficult to enter in details. This is an important form of which all my info including social media link to this webpage where the form is embedded. is there any way I can make it more firendly when the webpage is viewed from a mobile?

The form in question is https://form.jotformeu.com/davidgrayvideos/enquiries

but resides at http://www.davidgrayvideos.com/bookings

I have inspected webpage you provided, but I did not found embedded form. I only found link of your standalone form. 

I have then tested your standalone form on my Samsung Galaxy S4, but I was not able to replicate mentioned issue. Your form is responsive and I was able to fill the form without any issues. 

If your form is embedded, please provide us exact URL of the webpage where your form is embedded. 

In case that your issue is related to standalone form, please tell us on which device are you not able to fill your form properly. 

Looking forward to your reply.