Examine source code of Sorrows Version 2

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#080707",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sorrows Version 2",
  "manifest_version": 2,
  "description": "Another version of the theme for the book Sorrows, by Donna Fernstrom.  Wonderful cover artwork by Oubliette.  For tall top bars that will display a lot of the image.  If your top bar is thinner, try the narrow version."
}