I Googled sofa tables and found a very simple tutorial for one on Hometalk and you'll find a link to their page at the end of my post.
I really liked the natural wood look so I decided not to paint or stain my sofa table
The sofa table gave me the option of adding little vignettes to the existing pictures above the sofa.
H used 2 x 12 to construct my sofa table, but you could use andy size material that works for your area. Here's a link to the simple tutorial that Hometalk provides.........https://www.hometalk.com/1897089/simple-diy-sofa-table-tutorial
I think next year I should dig out my lit Christmas houses and display them on my sofa table....don't you? But for now, I'm thinking ahead to spring, Easter, summer, and fall. How will I decorate my sofa table .......my head is full of idea's!