Examine source code of Captain America

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Captain  America",
  "manifest_version": 2,
  "description": "A strong man who has known power all his life ,they lose respect for that power.\nBut a weak man who values of strength & loves ,compassion"
}