Examine source code of Space

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Space",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(15, 24, 21)",
      "toolbar_text": "rgb(178, 219, 206)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(178, 219, 206)",
      "toolbar_field": "rgb(7, 11, 10)",
      "toolbar_field_text": "rgb(178, 219, 206)",
      "tab_line": "rgb(178, 219, 206)",
      "popup": "rgb(15, 24, 21)",
      "popup_text": "rgb(178, 219, 206)",
      "tab_loading": "rgb(178, 219, 206)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2c92a05-7852-4fb4-a212-eae7e97f9b8d}"
    }
  }
}