Examine source code of The dep dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "The dep dark'",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 1, 3)",
      "toolbar_text": "rgb(17, 81, 223)",
      "frame": "rgb(134, 73, 73)",
      "tab_background_text": "rgb(14, 43, 140)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(19, 73, 229)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(30, 32, 174)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{92f0b777-659c-4375-9fde-3b577440775b}"
    }
  }
}