Examine source code of cute rhyme

{
  "theme": {
    "images": {
      "theme_frame": "rhymeborder.jpg"
    },
    "colors": {
      "frame": "#0855f0",
      "tab_background_text": "#0525f7"
    }
  },
  "version": "2.0",
  "name": "cute rhyme",
  "manifest_version": 2,
  "description": "its rhyme from the world ends with you TWEWY"
}