You can create a Google Site directly from Google Drive.
By clicking in the header, you can change the image or the style.
The menu on the right will allow you to change the "THEME."
You can use the menu on the right.
You can also double click on your screen and this wheel appears.
Creating a new page by clicking "PAGES" in the menu on the right.
By clicking on the the dots on the right, you choose several options.
By clicking on the 6 boxes on the left you can drag and reorder pages. You can also make a page a subpage by dragging it on top of a page.
As you work, you can preview how your site will look on a computer monitor, tablet screen, or phone screen. Just click on the "eye" at the op of the screen.
When you click the blue, "PUBLISH" button at the top of the screen, this pop-up window appears:
Please Note: Once you "PUBLISH" your site, if you make changes, you have to click "PUBLISH" again for other to see the edits.