Examine source code of Tomato Time

{
  "theme": {
    "images": {
      "theme_frame": "headertomato.jpg"
    },
    "colors": {
      "frame": "#e09b9b",
      "tab_background_text": "#cfc3c3"
    }
  },
  "version": "2.0",
  "name": "Tomato Time",
  "manifest_version": 2,
  "description": "Tomato splash"
}