Add Footer Close Button

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Add Footer Close Button",
  "version": "0.0.11",
  "manifest_version": 2,
  "description": "Add a close button to Medium-style footer bars.",
  "web_accessible_resources": [
    "javascript/libs/jquery-1.10.2.min.map",
    "images/high-contrast-dialog-close.svg"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://medium.com/*",
        "https://medium.mybridge.co/*",
        "https://hackernoon.com/*",
        "https://blog.expo.io/*",
        "https://medium.freecodecamp.org/*",
        "https://blog.madebywindmill.com/*",
        "https://shift.infinite.red/*",
        "https://hashnode.com/*",
        "https://notes.devlabs.bg/*",
        "https://www.codementor.io/*",
        "https://blog.nrwl.io/*",
        "https://blog.percy.io/*",
        "https://blog.callstack.io/*",
        "https://dev-blog.apollodata.com/*",
        "https://launchdrawer.com/*",
        "https://blog.codeinfuse.com/*",
        "https://codeburst.io/*",
        "https://blog.semanticscholar.org/*",
        "https://blog.hellojs.org/*",
        "https://engineering.musefind.com/*",
        "https://engineering.circle.com/*",
        "https://medium.freecodecamp.org/*",
        "https://edgecoders.com/*",
        "https://cdb.reacttraining.com/*",
        "https://blog.sessionstack.com/*",
        "https://uxplanet.org/*"
      ],
      "css": [
        "css/app.css"
      ],
      "js": [
        "javascript/libs/jquery-1.10.2.min.js",
        "javascript/app.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "javascript/background.js"
    ]
  },
  "permissions": [
    "tabs",
    "https://medium.com/*",
    "https://medium.mybridge.co/*",
    "https://hackernoon.com/*",
    "https://blog.expo.io/*",
    "https://medium.freecodecamp.org/*",
    "https://shift.infinite.red/*",
    "https://hashnode.com/*",
    "https://notes.devlabs.bg/*",
    "https://www.codementor.io/*",
    "https://blog.nrwl.io/*",
    "https://blog.percy.io/*",
    "https://blog.callstack.io/*",
    "https://dev-blog.apollodata.com/*",
    "https://launchdrawer.com/*",
    "https://blog.codeinfuse.com/*",
    "https://codeburst.io/*",
    "https://blog.semanticscholar.org/*",
    "https://blog.hellojs.org/*",
    "https://engineering.musefind.com/*",
    "https://engineering.circle.com/*",
    "https://medium.freecodecamp.org/*",
    "https://edgecoders.com/*",
    "https://cdb.reacttraining.com/*",
    "https://blog.sessionstack.com/*",
    "https://uxplanet.org/*"
  ],
  "icons": {
    "48": "images/high-contrast-dialog-close48.png",
    "128": "images/high-contrast-dialog-close128.png"
  },
  "browser_action": {
    "default_title": "Add Footer Close Button",
    "default_icon": {
      "19": "images/high-contrast-dialog-close19.png",
      "38": "images/high-contrast-dialog-close38.png"
    }
  }
}