Examine source code of Sisjar-theme

{
  "theme": {
    "images": {
      "theme_frame": "headerfirefox.jpg"
    },
    "colors": {
      "frame": "#6b1478",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sisjar-theme",
  "manifest_version": 2,
  "description": "Laboratorium Sistem Operasi dan Jaringan Komputer IT Telkom"
}