Examine source code of Cherry Blossoms...

{
  "theme": {
    "images": {
      "theme_frame": "CherryBlossoms_header_byLisa.jpg"
    },
    "colors": {
      "frame": "#9d935e",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Cherry Blossoms...",
  "manifest_version": 2,
  "description": "pink cherry blossoms, fruit trees, Spring, Springtime\n\nchild friendly persona\n\nPersonas by LisaAtTheBeach"
}