Examine source code of SeaShell StarFish

{
  "theme": {
    "images": {
      "theme_frame": "SeaShellsAndStarFish1.jpg"
    },
    "colors": {
      "frame": "#cfc5a2",
      "tab_background_text": "#3b0505"
    }
  },
  "version": "2.0",
  "name": "SeaShell StarFish",
  "manifest_version": 2,
  "description": "Sea starfish and sand...calming"
}