Examine source code of Dark Magenta v2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Magenta",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-011-d53e0d0d1538ed554a90e056a2f04eca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(43, 51, 86)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(34, 44, 77)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(70, 77, 111)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(34, 44, 77)",
      "popup_text": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(34, 44, 77)",
      "ntp_background": "rgb(34, 44, 77)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(43, 51, 86)",
      "popup_highlight": "rgb(69, 107, 183)",
      "sidebar_border": "rgb(43, 51, 86)",
      "sidebar_highlight": "rgb(69, 107, 183)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(43, 51, 86)",
      "tab_background_separator": "rgb(43, 51, 86)",
      "tab_loading": "rgb(233, 234, 238)",
      "tab_selected": "rgb(233, 234, 238)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(29, 34, 79)",
      "toolbar_field_border_focus": "rgb(69, 107, 183)",
      "toolbar_field_border": "rgb(43, 51, 86)",
      "toolbar_field_focus": "rgb(34, 44, 77)",
      "toolbar_top_separator": "rgb(43, 51, 86)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{95c175a0-5f35-46fa-bb40-a1d6ec1553c7}"
    }
  }
}