Examine source code of Leopard siesta

{
  "theme": {
    "images": {
      "theme_frame": "leoh.JPG"
    },
    "colors": {
      "frame": "#f0e965",
      "tab_background_text": "#f3f562"
    }
  },
  "version": "2.0",
  "name": "Leopard siesta",
  "manifest_version": 2
}