Examine source code of LeafxCrow - Warriors

{
  "theme": {
    "images": {
      "theme_frame": "LeafxCrowFirefoxHeader.png"
    },
    "colors": {
      "frame": "#858585",
      "tab_background_text": "#3b3b3b"
    }
  },
  "version": "2.0",
  "name": "LeafxCrow - Warriors",
  "manifest_version": 2,
  "description": "Leafpool and Crowfeather from Warrior Cats by Erin Hunter."
}