Examine source code of Cherry Trees

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cherry Trees",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(252, 246, 177)",
      "toolbar_text": "rgb(0, 46, 44)",
      "frame": "rgb(170, 189, 101)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(203, 133, 137)",
      "tab_line": "rgb(0, 46, 44)",
      "popup": "rgb(252, 246, 177)",
      "popup_text": "rgb(203, 133, 137)",
      "tab_loading": "rgb(0, 46, 44)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4db16d1c-1e41-4fde-9c73-3346a2c207d9}"
    }
  }
}