Examine source code of Pink Blossoming Tree

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#544e0a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Pink Blossoming Tree",
  "manifest_version": 2,
  "description": "A Pink Blossoming tree alone in a harsh land."
}