Examine source code of Bouguereau Leveil

{
  "theme": {
    "images": {
      "theme_frame": "leveil_header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ebfce2"
    }
  },
  "version": "2.0",
  "name": "Bouguereau Leveil",
  "manifest_version": 2,
  "description": "Detail of Bouguereaus painting Leveil du coeur of 1892."
}