MTG Display Color Names

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "MTG Display Color Names",
  "version": "1.0.2",
  "description": "Chrome extension that appends the display of colors to color names for associated Magic: The Gathering guilds/shards/wedges.",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "exclude_matches": [
        "*://twitter.com/*"
      ],
      "js": [
        "content_script.js"
      ],
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": "icon16.png",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    "images/*.svg"
  ]
}