Examine source code of mario_toad

{
  "theme": {
    "images": {
      "theme_frame": "supermario_header3.jpg"
    },
    "colors": {
      "frame": "#736e6e",
      "tab_background_text": "#050505"
    }
  },
  "version": "2.0",
  "name": "mario_toad",
  "manifest_version": 2,
  "description": "mario with toad"
}