Examine source code of Vista Greens

{
  "theme": {
    "images": {
      "theme_frame": "VistaGreen2Persona3000x200.png"
    },
    "colors": {
      "frame": "#fffb78",
      "tab_background_text": "#00000a"
    }
  },
  "version": "2.0",
  "name": "Vista Greens",
  "manifest_version": 2,
  "description": "Yellows and greens with a floral watermark.  Goes well with the windows vista Yellow-Green backgrounds."
}