Examine source code of Disco Diva

{
  "theme": {
    "images": {
      "theme_frame": "myspacebg2Kopie.jpg"
    },
    "colors": {
      "frame": "#77afc2",
      "tab_background_text": "#2a7da1"
    }
  },
  "version": "2.0",
  "name": "Disco Diva",
  "manifest_version": 2,
  "description": "pink yellow and blue lights"
}