Examine source code of Primera Web

{
  "theme": {
    "images": {
      "theme_frame": "persona_primeraweb_enc.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fa0505"
    }
  },
  "version": "2.0",
  "name": "Primera Web",
  "manifest_version": 2,
  "description": "Persona de TuPrimeraWeb, recursoa, tips, herramientas, ..."
}