Examine source code of white plumage

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#edebf0",
      "tab_background_text": "#8441a8"
    }
  },
  "version": "2.0",
  "name": "white plumage",
  "manifest_version": 2,
  "description": "\"Under His wings, you will find refuge\" Ps 91:4"
}