Examine source code of Unity3d logo

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Unity3d logo",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b71f24e253d6322431a2aeb965c13ce052703a61a963db94ca6c2ce01c153b93/http%3A//unity3d.com/\">http://unity3d.com/</a>"
}