Examine source code of Tropical ocean fish

{
  "name": "Tropical ocean fish",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Tropical ocean fish.jpg"
    },
    "colors": {
      "frame": "rgba(181, 189, 64, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(212, 235, 80, 1)",
      "toolbar_field": "rgba(236, 242, 56, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5244714e-453c-4570-82a8-282a1fc6be8e}"
    }
  }
}