Examine source code of Plants Up-Close

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0f0e0e",
      "tab_background_text": "#e1f03c"
    }
  },
  "version": "2.0",
  "name": "Plants Up-Close",
  "manifest_version": 2,
  "description": "There's a snake lurking in the grass.~Virgil\n\nTAGS:\n     plants, botany, nature, green, grass, grain"
}