Examine source code of Another Light (dark)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Another Light (dark)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(33, 32, 36)",
      "toolbar_text": "rgb(248, 241, 226)",
      "frame": "rgb(33, 32, 36)",
      "tab_background_text": "rgb(248, 241, 226)",
      "toolbar_field": "rgb(16, 56, 71)",
      "toolbar_field_text": "rgb(248, 241, 226)",
      "tab_line": "rgb(50, 148, 154)",
      "popup": "rgb(33, 32, 36)",
      "popup_text": "rgb(69, 164, 123)",
      "button_background_active": "rgb(50, 148, 154)",
      "button_background_hover": "rgb(24, 70, 87)",
      "frame_inactive": "rgb(33, 32, 36)",
      "icons_attention": "rgb(69, 164, 123)",
      "icons": "rgb(248, 241, 226)",
      "ntp_background": "rgb(33, 32, 36)",
      "ntp_text": "rgb(248, 241, 226)",
      "popup_highlight_text": "rgb(69, 164, 123)",
      "popup_highlight": "rgb(33, 32, 36)",
      "tab_background_separator": "rgb(33, 32, 36)",
      "tab_loading": "rgb(50, 148, 154)",
      "tab_selected": "rgb(33, 32, 36)",
      "tab_text": "rgb(248, 241, 226)",
      "toolbar_bottom_separator": "rgb(33, 32, 36)",
      "toolbar_field_border_focus": "rgb(69, 164, 123)",
      "toolbar_field_border": "rgb(33, 32, 36)",
      "toolbar_field_focus": "rgb(33, 32, 36)",
      "toolbar_field_highlight_text": "rgb(69, 164, 123)",
      "toolbar_field_highlight": "rgb(69, 164, 123)",
      "toolbar_field_separator": "rgb(69, 164, 123)",
      "toolbar_field_text_focus": "rgb(248, 241, 226)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06dc744c-081c-4e7f-be79-4b280b8862f7}"
    }
  }
}