Examine source code of Defqon.1

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABS.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Defqon.1",
  "manifest_version": 2,
  "description": "This is a theme for Defqon.1, the techno festival."
}