Dark Documents

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Dark Documents",
  "description": "A dark theme for the following file extensions: txt, json, xml, csv, jpg, jpeg, png, css and js.",
  "version": "1.1",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*.json",
        "*://*/*.txt",
        "*://*/*.xml",
        "*://*/*.csv",
        "*://*/*.jpg",
        "*://*/*.jpeg",
        "*://*/*.png",
        "*://*/*.css",
        "*://*/*.js",
        "file:///*.json",
        "file:///*.txt",
        "file:///*.xml",
        "file:///*.csv",
        "file:///*.jpg",
        "file:///*.jpeg",
        "file:///*.png",
        "file:///*.css",
        "file:///*.js"
      ],
      "css": [
        "css.css"
      ]
    }
  ]
}