Examine source code of Neon Fire

{
  "theme": {
    "images": {
      "theme_frame": "neonfire.jpg"
    },
    "colors": {
      "frame": "#620980",
      "tab_background_text": "#1b9164"
    }
  },
  "version": "2.0",
  "name": "Neon Fire",
  "manifest_version": 2,
  "description": "The neon fire of the days passing makes me long for a cool night by the fire."
}