Examine source code of Som2.0

{
  "manifest_version": 2,
  "name": "Som2.0",
  "version": "0.1.0",
  "description": "SomToday improvements",
  "content_scripts": [
    {
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ],
      "matches": [
        "*://elo.somtoday.nl/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1cbb14c2-4ffc-41a9-b0e0-5553fbd9d900}"
    }
  }
}