Examine source code of Dark Magenta

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Magenta",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.65)",
      "toolbar_text": "rgb(255, 237, 245)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 188, 223)",
      "toolbar_field": "rgba(0, 0, 0, 0.45)",
      "toolbar_field_text": "rgb(255, 188, 223)",
      "tab_line": "rgb(248, 112, 185)",
      "popup": "rgba(0, 0, 0, 0.84)",
      "popup_text": "rgb(255, 188, 223)",
      "icons": "rgb(255, 188, 223)",
      "popup_border": "rgb(125, 37, 84)",
      "sidebar_border": "rgb(248, 112, 185)",
      "sidebar_text": "rgb(255, 237, 245)",
      "sidebar": "rgb(10, 0, 4)",
      "tab_selected": "rgba(0, 0, 0, 0.46)",
      "tab_text": "rgb(255, 237, 245)",
      "toolbar_field_border": "rgba(119, 119, 119, 0.46)",
      "toolbar_field_highlight_text": "rgba(0, 0, 0, 0.88)",
      "toolbar_field_highlight": "rgba(255, 210, 232, 0.69)",
      "toolbar_vertical_separator": "rgba(255, 255, 255, 0.46)",
      "tab_loading": "rgb(248, 112, 185)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1cbda93c-9f00-4cb1-8e9f-ee3fdacd6a09}"
    }
  }
}