Hello Brian,
Thank you for your question about adjust the site layout. What you are seeing at the top of the page is the main header. You can adjust the placement of the with the Customizer and adjust font sizes accordingly. However, you will see the header on every page. This is not meant to be a distraction. It is meant to have a uniform look across all pages, which most designers and user find most readable and allows for a “smooth” effect. However, if you think the header for the Pavilion theme is too dominant, you may want to try to a different Inspiration. There are many to choose from, and some have more understated headers. I would suggest the Primas theme.
Best,
Christopher M.