Examine source code of OKC Thunder (NBA)

{
  "name": "OKC Thunder (NBA)",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "thunder.svg"
    },
    "colors": {
      "frame": "rgba(0, 45, 98, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 27, 58, 0.7)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 27, 58, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(253, 187, 48, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a239e66-18d3-440a-bae0-9d46e9a49c1a}"
    }
  }
}