Examine source code of Adorable Elephant

{
  "theme": {
    "images": {
      "theme_frame": "personas-head-elephant.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Adorable Elephant",
  "manifest_version": 2,
  "description": "Cute, animal, kids, children, toddlers, friendly, lovely, big, elephant, graphic, illustration, purple, yellow flowers"
}