Examine source code of Futuristic Circuit Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Circuit Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.75)",
      "toolbar_text": "rgb(194, 251, 206)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(236, 252, 244)",
      "toolbar_field": "rgba(23, 26, 26, 0.65)",
      "toolbar_field_text": "rgb(150, 248, 192)",
      "tab_line": "rgba(0, 255, 234, 0.45)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(120, 251, 180)",
      "tab_loading": "rgba(0, 255, 234, 0.45)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bedb8839-2d89-4fb9-a74f-c6a6d73384e1}"
    }
  }
}