Examine source code of Eastern Orthodox

{
  "theme": {
    "images": {
      "theme_frame": "OrthodoxFirefoxTheme.png"
    },
    "colors": {
      "frame": "#5899bf",
      "tab_background_text": "#540404"
    }
  },
  "version": "2.0",
  "name": "Eastern Orthodox",
  "manifest_version": 2,
  "description": "Eastern Orthodox Theme, showing Christ Pantokrator from St. Catherine Monastery in Sinai, Most Holy Theotokos from Hilandar, Athos, and St. Sava Temple in Belgrade, Serbia."
}