Examine source code of Acceptance

{
  "theme": {
    "images": {
      "theme_frame": "ffheader3.jpg"
    },
    "colors": {
      "frame": "#1bfa62",
      "tab_background_text": "#4adeff"
    }
  },
  "version": "2.0",
  "name": "Acceptance",
  "manifest_version": 2,
  "description": "a header and footer image of my favorite image i've ever created"
}