Examine source code of Avengers Original

{
  "theme": {
    "images": {
      "theme_frame": "BrowserHeaderAvengers.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Avengers Original",
  "manifest_version": 2,
  "description": "I created this persona a dark grey and grey gradient background. I then Put the graphic of the three main avengers Iron Man, Captain America,and Thor. \n\nI then put the white and black stripe all across the whole persona. I then put the Avengers logo on the upper right side of the persona."
}