Examine source code of CSS predator

{
  "theme": {
    "images": {
      "theme_frame": "CSSPREDATOR.png"
    },
    "colors": {
      "frame": "#3834a8",
      "tab_background_text": "#4f3dbf"
    }
  },
  "version": "2.0",
  "name": "CSS predator",
  "manifest_version": 2,
  "description": "Theme de bo gosse attitude pour les joueurs de CSS."
}