Examine source code of Sky one

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sky one",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(231, 240, 245, 0)",
      "toolbar_text": "rgba(188, 44, 157, 0.44)",
      "frame": "rgb(199, 82, 138)",
      "tab_background_text": "rgb(228, 27, 242)",
      "toolbar_field": "rgba(212, 209, 255, 0.3)",
      "toolbar_field_text": "rgb(56, 17, 87)",
      "tab_line": "rgba(66, 95, 206, 0.82)",
      "popup": "rgba(208, 58, 227, 0.37)",
      "popup_text": "rgb(81, 4, 44)",
      "button_background_active": "rgba(179, 58, 115, 0.85)",
      "button_background_hover": "rgba(103, 39, 106, 0.83)",
      "frame_inactive": "rgba(229, 126, 199, 0)",
      "icons_attention": "rgba(193, 73, 214, 0.72)",
      "icons": "rgb(226, 171, 237)",
      "ntp_background": "rgba(72, 17, 50, 0.72)",
      "ntp_text": "rgba(167, 29, 191, 0.72)",
      "popup_border": "rgb(166, 76, 184)",
      "popup_highlight_text": "rgba(68, 2, 56, 0.99)",
      "popup_highlight": "rgba(180, 15, 114, 0.72)",
      "sidebar_border": "rgba(127, 57, 114, 0.74)",
      "sidebar_highlight_text": "rgba(94, 34, 88, 0.78)",
      "sidebar_highlight": "rgba(121, 27, 56, 0.83)",
      "sidebar_text": "rgba(128, 13, 74, 0.75)",
      "tab_loading": "rgba(66, 95, 206, 0.82)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{86188f7b-949f-48e9-a526-3106667ed114}"
    }
  }
}