Examine source code of ATRI

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "ATRI",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0.29)",
      "toolbar_text": "rgb(102, 166, 255)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(207, 226, 241)",
      "toolbar_field": "rgb(201, 227, 248)",
      "toolbar_field_text": "rgb(126, 195, 255)",
      "tab_line": "rgb(112, 163, 249)",
      "popup": "rgba(197, 228, 249, 0.9)",
      "popup_text": "rgb(56, 152, 241)",
      "button_background_active": "rgba(133, 170, 208, 0.8)",
      "button_background_hover": "rgba(149, 204, 255, 0.65)",
      "ntp_background": "rgb(156, 197, 203)",
      "popup_border": "rgb(56, 152, 241)",
      "tab_loading": "rgb(112, 163, 249)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{305181a1-b470-4a4e-a36c-76195b0cd9fc}"
    }
  }
}