Examine source code of Exia Theme is beautiful

{
  "manifest_version": 2,
  "name": "Exia Theme is beautiful",
  "version": "4.2",
  "description": "Moodle Extension Exia Theme",
  "content_scripts": [
    {
      "run_at": "document_start",
      "css": [
        "css/style-moodle.css"
      ],
      "js": [
        "js/content-moodle.js"
      ],
      "matches": [
        "https://moodle-ingenieurs.cesi.fr/*",
        "https://moodle-examens.cesi.fr/*"
      ]
    },
    {
      "css": [
        "css/style-ent.dev.css"
      ],
      "js": [
        "js/content-ent.js"
      ],
      "matches": [
        "https://wayf.cesi.fr/*",
        "https://sts.viacesi.fr/*",
        "https://ent.cesi.fr/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "icon/*.png"
  ]
}