Examine source code of Tree Frog Macro

{
  "theme": {
    "images": {
      "theme_frame": "FrogHeader1.jpg"
    },
    "colors": {
      "frame": "#f1ffa8",
      "tab_background_text": "#c3db74"
    }
  },
  "version": "2.0",
  "name": "Tree Frog Macro",
  "manifest_version": 2,
  "description": "Frog Macro I took on a black background."
}