Examine source code of Poppies by Marte

{
  "theme": {
    "images": {
      "theme_frame": "makiup.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fcb8b8"
    }
  },
  "version": "2.0",
  "name": "Poppies by Marte",
  "manifest_version": 2,
  "description": "poppies poppy flower flowers meadow green nature red dark green"
}