Examine source code of Easter Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#5cb3c9",
      "tab_background_text": "#f06ce9"
    }
  },
  "version": "2.0",
  "name": "Easter Theme",
  "manifest_version": 2,
  "description": "A simple Easter theme."
}