Examine source code of Hard Times

{
  "name": "hardtimes",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "697ad7475a75626bdceac50ed3d21ce0 - Kopie.jpg"
    },
    "colors": {
      "toolbar": "rgba(121, 100, 153, 0.11)",
      "toolbar_field": "rgba(134, 100, 153, 0.15)",
      "toolbar_field_text": "rgba(0, 0, 0, 0.46)",
      "frame": "rgba(255, 255, 255, 0.77)",
      "tab_background_text": "rgba(0, 0, 0, 0.46)",
      "bookmark_text": "rgba(0, 0, 0, 0.46)"
    }
  }
}