Examine source code of Plant Green

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a0a0a",
      "tab_background_text": "#f2e9e9"
    }
  },
  "version": "2.0",
  "name": "Plant Green",
  "manifest_version": 2,
  "description": "If a blade of grass springing up in the fields has the power to move you, your soul is alive.~Eleonora Duse\n\nTAGS:\n     green, grass, plants"
}