Examine source code of efsliweb

{
  "theme": {
    "images": {
      "theme_frame": "personasheader.png"
    },
    "colors": {
      "frame": "#cccccc",
      "tab_background_text": "#003366"
    }
  },
  "version": "2.0",
  "name": "efsliweb",
  "manifest_version": 2,
  "description": "efsli - European Forum of Sign Language Interpreters"
}