Examine source code of Columbus Blue Jackets

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Columbus Blue Jackets",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(200, 16, 46, 0.5)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(4, 30, 66)",
      "tab_background_text": "rgb(162, 170, 173)",
      "toolbar_field": "rgba(252, 252, 252, 0.33)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(162, 170, 173)",
      "popup": "rgb(162, 170, 173)",
      "popup_text": "rgb(200, 16, 46)",
      "ntp_background": "rgb(4, 30, 66)",
      "tab_loading": "rgb(162, 170, 173)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c05d139a-08a5-49dd-9d81-e2a7ff681b7f}"
    }
  }
}