Examine source code of ElectroMusic

{
  "theme": {
    "images": {
      "theme_frame": "Ascher_electro_header.jpg"
    },
    "colors": {
      "frame": "#c91e1e",
      "tab_background_text": "#c43131"
    }
  },
  "version": "2.0",
  "name": "ElectroMusic",
  "manifest_version": 2,
  "description": "Electro Music!"
}