Examine source code of mecfront

{
  "theme": {
    "images": {
      "theme_frame": "shivafox.jpg"
    },
    "colors": {
      "frame": "#d3ded8",
      "tab_background_text": "#d4d9db"
    }
  },
  "version": "2.0",
  "name": "mecfront",
  "manifest_version": 2,
  "description": "small dog"
}