Examine source code of Diamu and Usar

{
  "theme": {
    "images": {
      "theme_frame": "diamuheader.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fabd5c"
    }
  },
  "version": "2.0",
  "name": "Diamu and Usar",
  "manifest_version": 2,
  "description": "A firefox persona featuring the two deities of Harbinger, Diamu the Great and Usar the Dark."
}