Examine source code of NZ Breakers (NBL)

{
  "name": "NZ Breakers (NBL)",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "breakers.svg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(17, 17, 17, 0.7)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(17, 17, 17, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(50, 179, 209, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2ec2765-4d1c-4400-b640-2541dbf65edb}"
    }
  }
}