Examine source code of Comfort

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "works",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-026-829b05416f823e170310e7c826ad1bec.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(40, 50, 50, 0.4)",
      "toolbar_text": "rgb(200, 255, 200)",
      "frame": "rgb(40, 0, 100)",
      "tab_background_text": "rgb(140, 180, 140)",
      "toolbar_field": "rgba(50, 40, 40, 0.4)",
      "toolbar_field_text": "rgb(220, 220, 200)",
      "tab_line": "rgba(120, 160, 160, 0.6)",
      "popup": "rgba(40, 0, 40, 0.7)",
      "popup_text": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(20, 0, 50)",
      "icons_attention": "rgb(200, 155, 200)",
      "icons": "rgb(220, 155, 220)",
      "ntp_background": "rgba(0, 0, 0, 0)",
      "ntp_text": "rgb(220, 220, 200)",
      "popup_border": "rgba(0, 0, 0, 0.5)",
      "popup_highlight_text": "rgb(240, 240, 80)",
      "popup_highlight": "rgba(100, 100, 100, 0.5)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_highlight_text": "rgb(255, 240, 215)",
      "sidebar_highlight": "rgb(50, 70, 70)",
      "sidebar_text": "rgb(200, 190, 175)",
      "sidebar": "rgb(20, 30, 30)",
      "tab_loading": "rgb(230, 255, 0)",
      "tab_selected": "rgba(0, 80, 160, 0.5)",
      "toolbar_field_border": "rgba(100, 100, 100, 0.5)",
      "toolbar_field_focus": "rgba(50, 20, 60, 0.4)",
      "toolbar_field_highlight": "rgba(255, 125, 255, 0.6)",
      "toolbar_top_separator": "rgba(60, 60, 60, 0.6)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{db7eccf7-bfea-43de-b568-e95d238c681c}"
    }
  }
}