Slack's Emoji Style Chooser

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Slack's Emoji Style Chooser",
  "description": "Do not like your emoji set on Slack? Pick one of six different Emoji styles!",
  "version": "0.10",
  "manifest_version": 2,
  "homepage_url": "https://github.com/Shimmi/slack-emoji-style-chooser",
  "permissions": [
    "storage",
    "tabs",
    "*://*.slack.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.slack.com/*"
      ],
      "js": [
        "styles.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "icons": {
    "128": "icon.png"
  }
}