Centered Image Files for Chrome

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Centered Image Files for Chrome",
  "short_name": "Centered Images",
  "description": "Centers the image on the page when a image file is viewed in Chrome.",
  "version": "0.1.0",
  "icons": {
    "16": "res/center_16.png",
    "32": "res/center_32.png",
    "48": "res/center_48.png",
    "128": "res/center_128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*.png",
        "*://*/*.jpeg",
        "*://*/*.jpg",
        "*://*/*.gif",
        "*://*/*.tif",
        "*://*/*.tiff",
        "*://*/*.bmp"
      ],
      "css": [
        "center.css"
      ]
    }
  ],
  "manifest_version": 2
}