Examine source code of Deep Sea Creatures

{
  "theme": {
    "images": {
      "theme_frame": "persona_deepseafish_header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#9999ff"
    }
  },
  "version": "2.0",
  "name": "Deep Sea Creatures",
  "manifest_version": 2,
  "description": "Dark persona with various deep sea fish like an angler fish and some other deep sea creatues like an octopus and different invertebrates."
}