Examine source code of Hyper Colors

{
  "name": "Hyper Colors",
  "description": "A searchable list of HTML named colors",
  "version": "1.2",
  "manifest_version": 2,
  "author": "Ben Grant",
  "homepage_url": "https://bengrant.dev",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "res/icon16.png",
      "32": "res/icon32.png",
      "48": "res/icon48.png",
      "128": "res/icon128.png"
    }
  },
  "icons": {
    "16": "res/icon16.png",
    "32": "res/icon32.png",
    "48": "res/icon48.png",
    "128": "res/icon128.png"
  }
}