Examine source code of dethklok-1

{
  "theme": {
    "images": {
      "theme_frame": "12211heard.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "dethklok-1",
  "manifest_version": 2,
  "description": "\"Drunk on the blood of their fallen fans\" dethklok metalocalypse Skwisgaar Skwigelf Toki Wartooth Pickles Nathan Explosion William Murderface drunk blood death dead red crimson alcohol passed out wasted metal"
}