Examine source code of Mirrored Bird

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#402f4a",
      "tab_background_text": "#8fc9b9"
    }
  },
  "version": "2.0",
  "name": "Mirrored Bird",
  "manifest_version": 2,
  "description": "A photograph taken by my husband.  The bird was only caught in half of the frame so he mirrored it and touched it up with Adobe Lightroom.  I loved the colors so much I thought I would share it with you all.  Enjoy!"
}