Examine source code of One Beautiful Day

{
  "theme": {
    "images": {
      "theme_frame": "OneBeautifulDay_header_byLisa.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "One Beautiful Day",
  "manifest_version": 2,
  "description": "Bright morning sun dawning a new day in a blue blue sky with fluffy white clouds. [heaven, good morning sunshine, wonderful day to be alive]\n\nchild friendly persona\n\nPersonas by LisaAtTheBeach"
}