Examine source code of nova flame

{
  "theme": {
    "images": {
      "theme_frame": "head3.jpg"
    },
    "colors": {
      "frame": "#c5e4eb",
      "tab_background_text": "#a1f0a6"
    }
  },
  "version": "2.0",
  "name": "nova flame",
  "manifest_version": 2,
  "description": "rainbow flame"
}