Examine source code of SOLAR Pro Mode

{
  "icons": {
    "16": "icon16.plasmo.192fd1f9.png",
    "32": "icon32.plasmo.4d28be0c.png",
    "48": "icon48.plasmo.8337b32e.png",
    "64": "icon64.plasmo.c5fef9ed.png",
    "128": "icon128.plasmo.20a0583f.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.192fd1f9.png",
      "32": "icon32.plasmo.4d28be0c.png",
      "48": "icon48.plasmo.8337b32e.png",
      "64": "icon64.plasmo.c5fef9ed.png",
      "128": "icon128.plasmo.20a0583f.png"
    },
    "default_popup": "popup.html"
  },
  "version": "0.0.13",
  "author": "me",
  "name": "SOLAR Pro Mode",
  "description": "SOLAR Pro Mode - get the classes you want",
  "permissions": [
    "storage",
    "https://solar.reed.edu/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://solar.reed.edu/*"
      ],
      "js": [
        "content.1dfd35d4.js"
      ],
      "css": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "solar@hacker.hack"
    }
  },
  "web_accessible_resources": [
    "assets/hook.js",
    "content.fe5f73f5.css"
  ]
}