Examine source code of Seathetic wallpaper

{
  "name": "Seathetic wallpaper",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Seathetic wallpaper💨.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(236, 184, 242, 1)",
      "bookmark_text": "rgba(145, 98, 148, 1)",
      "toolbar_field": "rgba(145, 98, 148, 1)",
      "toolbar_field_text": "rgba(236, 184, 242, 1)",
      "tab_line": "rgba(145, 98, 148, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{782aebbc-8d89-4633-bf5a-198a644d2d06}"
    }
  }
}