Examine source code of Just Bee

{
  "theme": {
    "images": {
      "theme_frame": "bumblebee.JPG"
    },
    "colors": {
      "frame": "#0ec749",
      "tab_background_text": "#0c1d87"
    }
  },
  "version": "2.0",
  "name": "Just Bee",
  "manifest_version": 2,
  "description": "A photo of a bumblebee collecting pollen."
}