Examine source code of Glacial Frost

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Glacial Frost",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0)",
      "toolbar_text": "rgb(174, 211, 242)",
      "frame": "rgb(14, 41, 65)",
      "tab_background_text": "rgb(216, 240, 242)",
      "toolbar_field": "rgba(38, 72, 102, 0)",
      "toolbar_field_text": "rgb(174, 211, 242)",
      "tab_line": "rgba(67, 194, 218, 0)",
      "popup": "rgb(24, 33, 38)",
      "popup_text": "rgb(216, 240, 242)",
      "popup_border": "rgba(232, 248, 249, 0)",
      "sidebar_text": "rgb(216, 240, 242)",
      "sidebar": "rgb(24, 33, 38)",
      "tab_selected": "rgba(23, 33, 38, 0.8)",
      "toolbar_field_border_focus": "rgb(174, 211, 242)",
      "toolbar_field_focus": "rgb(24, 33, 38)",
      "toolbar_field_highlight_text": "rgb(216, 240, 242)",
      "toolbar_field_highlight": "rgba(174, 211, 242, 0.29)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0)",
      "tab_loading": "rgba(67, 194, 218, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4efd2ef4-feb2-46f3-97ba-30fb0824ad64}"
    }
  }
}