Examine source code of Selena Tiny hat

{
  "theme": {
    "images": {
      "theme_frame": "Selenamadhatterheader.png"
    },
    "colors": {
      "frame": "#118a7c",
      "tab_background_text": "#118a7c"
    }
  },
  "version": "2.0",
  "name": "Selena Tiny hat",
  "manifest_version": 2,
  "description": "Yellow background, Selena Gomez"
}