Examine source code of earwig

{
  "theme": {
    "images": {
      "theme_frame": "earwigheader.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "earwig",
  "manifest_version": 2,
  "description": "This is really a test, but also might be the first in a line of insect-themed personas...."
}