Examine source code of goddess sketch

{
  "theme": {
    "images": {
      "theme_frame": "encabezado.jpg"
    },
    "colors": {
      "frame": "#7b6a48",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "goddess sketch",
  "manifest_version": 2,
  "description": "Sketch realizado en clase y editado para decorar el navegador ^^\n\nSketch realised in class and edited to decorate the browser ^^"
}