Examine source code of Egg Black

{
  "theme": {
    "images": {
      "theme_frame": "16694886-jpg640x480640x480640x480-Cpia.jpg"
    },
    "colors": {
      "frame": "#030101",
      "tab_background_text": "#1c1717"
    }
  },
  "version": "2.0",
  "name": "Egg Black",
  "manifest_version": 2,
  "description": "Sonic"
}