Examine source code of Burst

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Burst",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(251, 251, 251)",
      "toolbar_text": "rgb(72, 121, 121)",
      "frame": "rgb(66, 152, 169)",
      "tab_background_text": "rgb(197, 255, 255)",
      "toolbar_field": "rgb(215, 244, 251)",
      "toolbar_field_text": "rgb(92, 135, 151)",
      "tab_line": "rgb(71, 111, 116)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(103, 167, 176)",
      "ntp_background": "rgb(228, 249, 252)",
      "ntp_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(71, 111, 116)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9e4b00f7-101d-4349-b2f6-b0d9ce9e68d5}"
    }
  }
}