Examine source code of MorningTree

{
  "theme": {
    "images": {
      "theme_frame": "tree.JPG"
    },
    "colors": {
      "frame": "#0a0909",
      "tab_background_text": "#eef0d6"
    }
  },
  "version": "2.0",
  "name": "MorningTree",
  "manifest_version": 2,
  "description": "Before going to class, during the winter, it was nice out and I took a picture of the trees."
}