Examine source code of flashy splash

{
  "theme": {
    "images": {
      "theme_frame": "headertaches2.jpg"
    },
    "colors": {
      "frame": "#4f4e4e",
      "tab_background_text": "#03f71b"
    }
  },
  "version": "2.0",
  "name": "flashy splash",
  "manifest_version": 2,
  "description": "lucie prince infographiste"
}