Examine source code of PSP theme

{
  "theme": {
    "images": {
      "theme_frame": "Senza-titolo-1.jpg"
    },
    "colors": {
      "frame": "#7a7a7a",
      "tab_background_text": "#7a7a7a"
    }
  },
  "version": "2.0",
  "name": "PSP theme",
  "manifest_version": 2
}