Roblify (Dark mode for Roblox)

Restyle Roblox site, remove some icons in UI (notifications and clean topbar) and redesign icons. USE DARK MODE!!!
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manifest.json
{
  "manifest_version": 2,
  "name": "Roblify",
  "version": "1.0",
  "description": "Restyle Roblox main site.",
  "icons": {
    "48": "icmn.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.roblox.com/*"
      ],
      "js": [
        "rbstyle.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{20d82e5a-64b5-460a-a146-7c216382df4a}"
    }
  }
}