Examine source code of GF-S Clear Deep Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "GF-S Clear Deep Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(230, 230, 230)",
      "toolbar_field": "rgba(0, 0, 3, 0.45)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(1, 61, 125, 0.65)",
      "popup": "rgba(0, 0, 43, 0.8)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(3, 47, 0, 0.45)",
      "button_background_hover": "rgba(170, 1, 4, 0.5)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(1, 54, 111)",
      "sidebar_border": "rgba(142, 179, 201, 0.5)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgba(1, 38, 100, 0.5)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(0, 1, 44)",
      "tab_loading": "rgba(213, 253, 2, 0.75)",
      "tab_selected": "rgba(0, 4, 28, 0.65)",
      "toolbar_bottom_separator": "rgba(68, 68, 68, 0.9)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0)",
      "toolbar_top_separator": "rgba(2, 36, 252, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{91e00499-7c15-4d53-949b-c277229ebd00}"
    }
  }
}