Examine source code of Bleach Bonkai

{
  "theme": {
    "images": {
      "theme_frame": "bleach-mozila.jpg"
    },
    "colors": {
      "frame": "#737373",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Bleach Bonkai",
  "manifest_version": 2,
  "description": "it has an image of bleach and sais bleach in red letters"
}