Examine source code of Pink Mountains

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffd1ee",
      "tab_background_text": "#422e37"
    }
  },
  "version": "2.0",
  "name": "Pink Mountains",
  "manifest_version": 2,
  "description": "It's titled \"Pink sky above the mountains\". For clarification, this it not my photo. I have tired looking around but I can't seem to find the photographer. All credit goes to it's respective owner.\nQuick edit: Apparently this is an LG Nexus 5 stock photo."
}