Examine source code of Magic in the night

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Magic in the night",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.1)",
      "toolbar_text": "rgb(255, 152, 126)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(254, 235, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.5)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 229, 0)",
      "popup": "rgb(30, 30, 30)",
      "popup_text": "rgb(255, 133, 0)",
      "ntp_background": "rgb(30, 30, 30)",
      "ntp_text": "rgb(255, 229, 0)",
      "toolbar_bottom_separator": "rgb(255, 91, 50)",
      "tab_loading": "rgb(255, 229, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8bfacacd-21f4-4c15-927f-54f83b981561}"
    }
  }
}