Examine source code of Valentine-1

{
  "theme": {
    "images": {
      "theme_frame": "valentine-1.jpg"
    },
    "colors": {
      "frame": "#ebb0e7",
      "tab_background_text": "#1241e8"
    }
  },
  "version": "2.0",
  "name": "Valentine-1",
  "manifest_version": 2,
  "description": "Valentine day's"
}