Examine source code of seashells one

{
  "theme": {
    "images": {
      "theme_frame": "personaseashellsoneheaderPNG.png"
    },
    "colors": {
      "frame": "#49afde",
      "tab_background_text": "#112d3b"
    }
  },
  "version": "2.0",
  "name": "seashells one",
  "manifest_version": 2,
  "description": "Pensacola Beach with shells"
}