Examine source code of Cute dog art theme

{
  "name": "Cute dog art theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "pet-footprints-horizontal-seamless-pattern-animal-print-gold-prints-of-tracks-of-a-cat-dog-on-a-black-background-pet-paw-print-silhouettes-cute-texture-vector.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(247, 244, 244, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{542cf7c9-b609-4d16-b68e-6dcc04f8aec8}"
    }
  }
}