Examine source code of Bright 11

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Bright 11",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(235, 225, 239)",
      "toolbar_text": "rgb(130, 112, 248)",
      "frame": "rgb(179, 142, 201)",
      "tab_background_text": "rgb(141, 91, 184)",
      "toolbar_field": "rgb(243, 234, 255)",
      "toolbar_field_text": "rgb(169, 123, 204)",
      "tab_line": "rgb(112, 116, 248)",
      "popup": "rgb(240, 219, 255)",
      "popup_text": "rgb(146, 98, 183)",
      "ntp_background": "rgb(241, 233, 255)",
      "ntp_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(112, 116, 248)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b137ce2e-1524-41d8-819c-14e4ce9c3d7b}"
    }
  }
}