Examine source code of Free_Palestine

{
  "theme": {
    "images": {
      "theme_frame": "free_pal_header.png"
    },
    "colors": {
      "frame": "#cfcfcf",
      "tab_background_text": "#122410"
    }
  },
  "version": "2.0",
  "name": "Free_Palestine",
  "manifest_version": 2,
  "description": "Free Palestine"
}