Examine source code of My Carvin

{
  "theme": {
    "images": {
      "theme_frame": "myguitar-header.png"
    },
    "colors": {
      "frame": "#a34141",
      "tab_background_text": "#aeaed1"
    }
  },
  "version": "2.0",
  "name": "My Carvin",
  "manifest_version": 2
}