Examine source code of Green Papyrus

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Green Papyrus",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-034-e0dfa84411058d2e5627f19f1ea501ca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(3, 51, 16)",
      "toolbar_text": "rgb(238, 255, 238)",
      "frame": "rgb(3, 51, 16)",
      "tab_background_text": "rgb(204, 232, 212)",
      "toolbar_field": "rgb(3, 51, 16)",
      "toolbar_field_text": "rgb(238, 255, 238)",
      "tab_line": "rgb(3, 51, 16)",
      "popup": "rgb(0, 8, 0)",
      "popup_text": "rgb(204, 232, 212)",
      "button_background_active": "rgb(0, 8, 0)",
      "frame_inactive": "rgb(0, 8, 0)",
      "icons_attention": "rgb(238, 255, 238)",
      "ntp_background": "rgb(0, 8, 0)",
      "ntp_text": "rgb(204, 232, 212)",
      "sidebar_border": "rgb(3, 51, 16)",
      "sidebar_text": "rgb(204, 232, 212)",
      "sidebar": "rgb(0, 8, 0)",
      "tab_selected": "rgb(0, 8, 0)",
      "toolbar_field_border_focus": "rgb(204, 232, 212)",
      "toolbar_field_border": "rgb(0, 84, 0)",
      "toolbar_field_focus": "rgb(0, 8, 0)",
      "toolbar_field_highlight_text": "rgb(238, 255, 238)",
      "toolbar_field_highlight": "rgb(0, 84, 0)",
      "tab_loading": "rgb(3, 51, 16)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f6e61452-6e03-4d4e-a875-52e3eb49e351}"
    }
  }
}