Examine source code of Elite Beat Agents

{
  "name": "Elite Beat Agents",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "2.jpg"
    },
    "colors": {
      "frame": "rgba(0, 77, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7cc6c4ff-b040-4dbc-9f8f-75c3ae5acbe1}"
    }
  }
}