Examine source code of Pura Vida

{
  "theme": {
    "images": {
      "theme_frame": "CostaRicanTreeFrogpuravida.jpg"
    },
    "colors": {
      "frame": "#e9f3f5",
      "tab_background_text": "#383380"
    }
  },
  "version": "2.0",
  "name": "Pura Vida",
  "manifest_version": 2,
  "description": "Costa Rican Tree Frog "
}