Personalización visual de plugin en Wordpress

Hello.
I recently purchase this plugin https://codecanyon.net/item/photo-contest-wordpress-plugin/8320636.Its a photo contest plugin for Wordpress. I need to customize visual styles based on a design that I already have. I don't need new functionalities, just visual customization.


This is the actual website: http://elalma.quepartner.com
This is how I need to looks like: https://we.tl/jYIOLnHUul

This is a brief for the work:

[1] Complete description of customization scope with explanation how it should work. Screenshots are highly recommended.
Answer: I need to customize this Photo Contest Plugin to looks like the design I already have. Those are the screenshots of the actual state of the plugin and the how it suppose to looks like.

1) Voting page:
Original Plugin: https://imgur.com/vIH1wP4
Expected design: https://imgur.com/c6wv1sw

2) Inner photo voting page:
Original Plugin: https://imgur.com/SWVtXaC
Expected design: https://imgur.com/N7gKvvK

3) Photo Uploading page:
Original Plugin: https://imgur.com/oGjEzpe
Expected design: https://imgur.com/ee70tC8

4) Ranking page:
Original Plugin: https://imgur.com/khu9A8N
Expected design: https://imgur.com/HG3j03F

[2] URL address of website.
Answer: http://elalma.quepartner.com
[3] Credentials (URL address, login, password):
Answer: I will give you this latterñ
[4] Expected delivery time.
Answer: How many days is the average for his king of work?
[5] Any other information/instructions which you have and which allow to make the work faster.
Answer:
How much this will cost?

Thank you.

Carlos Ruiz.