Examine source code of Rainbow Dashing

{
  "theme": {
    "images": {
      "theme_frame": "header2.jpg"
    },
    "colors": {
      "frame": "#9ea3f7",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rainbow Dashing",
  "manifest_version": 2,
  "description": "My little Pony - Friendship is magic\nrainbow dash - It's party time"
}