acpp

Not sure if that will work. I don’t fully understand mapping dns, etc.
Let me try to explain better.
I have 5 sites. first site is say, pets.com I have a custom theme installed and this site is ready to go.
I also have dogs.com, cats.com, birds.com and horses.com

They all have their own domains, however, all I would like to do is make them all have the same basic theme and number of pages. If the latter four domains all have images and content exactly like pets.com, I could simply go in to each one and adjust images, content and page names to reflect each site. But each site will be its own site entirely, but part of the family, so to speak.
I just thought if there was a way to copy entire WP site over to another with theme, pages and settings, it could save me a lot of work on install and customizing each site from scratch.

Does this change anything or am I back to mu domain mapping in reply above?

Thank you for your replies. I was able to add css to bottom of theme css by using the editor link control panel. I also tried adding the css style link to header.php. Both seemed to work independently, but my css is overriding some of the themes.

You can get a visual of what I would like to achieve at this link.
https://tinyurl.com/28wmrzd

The gray table background should only affect the data table, not the other text higher up on page.

Also, I can not place any text below the data table for some reason. Not sure if my code is not too clean or what. Hope this shed more light and is not so confusing. Thank you again.