Examine source code of Ori

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ori",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(33, 36, 33)",
      "toolbar_text": "rgb(238, 255, 247)",
      "frame": "rgb(25, 28, 26)",
      "tab_background_text": "rgb(25, 28, 26)",
      "toolbar_field": "rgb(231, 252, 248)",
      "toolbar_field_text": "rgb(44, 66, 60)",
      "tab_line": "rgb(215, 255, 253)",
      "popup": "rgb(30, 33, 31)",
      "popup_text": "rgb(238, 255, 247)",
      "popup_highlight": "rgb(98, 154, 152)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_highlight": "rgb(98, 154, 152)",
      "sidebar_text": "rgb(238, 255, 247)",
      "sidebar": "rgb(12, 17, 14)",
      "toolbar_field_highlight": "rgb(72, 136, 134)",
      "tab_loading": "rgb(215, 255, 253)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8b5fbb1f-8e59-41e9-9a98-eb47693e624e}"
    }
  }
}