Examine source code of Astigmatism-Friendly Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Astigmatism-Friendly Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-003-31b6bea3c78e3a19fd889b0389652a94.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(154, 217, 250)",
      "toolbar_text": "rgb(69, 94, 200)",
      "frame": "rgb(206, 236, 255)",
      "tab_background_text": "rgb(17, 93, 140)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(8, 8, 66)",
      "tab_line": "rgb(23, 42, 140)",
      "popup": "rgb(172, 236, 138)",
      "popup_text": "rgb(15, 130, 24)",
      "button_background_active": "rgb(186, 44, 102)",
      "button_background_hover": "rgb(253, 91, 125)",
      "frame_inactive": "rgb(234, 118, 169)",
      "icons": "rgb(6, 97, 159)",
      "sidebar_border": "rgb(244, 150, 191)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_selected": "rgb(14, 119, 220)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(7, 27, 134)",
      "toolbar_field_border": "rgb(57, 180, 191)",
      "toolbar_vertical_separator": "rgb(56, 93, 200)",
      "tab_loading": "rgb(23, 42, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5033d2c7-eb5c-42e3-8fa2-984a12243c78}"
    }
  }
}