Attached the transition for your reference. The transition should be feathered, and need just like the one attached. Must have the slider bar with small circles as found in the last image.
7 freelance font une offre moyenne de $210 pour ce travail
I sincerely read your requirements and I am ready to endow with the solution as per your requirements. I can assure you that I will provide you high level of satisfaction and support to gain your confidence. Please che Plus