Examine source code of Deadpool_theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ff0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Deadpool_theme",
  "manifest_version": 2,
  "description": "Deadpool? :) designed to fit a standard firefox border? will look best without loads of random things in the way of it? such as the google search bar or random stuff you have may added to the tab. enjoy."
}