Background image getting blurred for avada medical theme

Background image is getting blurred. Any solution to it?

You are using image in small resolution, this one:

and you should use this one:

I am using the bigger one only. Don’t know why it’s taking the smaller one there…
any suggestion on how to fix this?

Ask theme author about that. I had never used Avada theme. But check again URL to image for that part (background image).