Examine source code of simple life

{
  "theme": {
    "images": {
      "theme_frame": "meerkats-1.jpeg"
    },
    "colors": {
      "frame": "#7d650c",
      "tab_background_text": "#f2e1e1"
    }
  },
  "version": "2.0",
  "name": "simple life",
  "manifest_version": 2
}