Examine source code of centro_01

{
  "theme": {
    "images": {
      "theme_frame": "cabecera_centro.png"
    },
    "colors": {
      "frame": "#82cdff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "centro_01",
  "manifest_version": 2,
  "description": "Centro de Sistemas y Negocios / www.centro.edu.pe"
}