Examine source code of black,_ops

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a0101",
      "tab_background_text": "#edb826"
    }
  },
  "version": "2.0",
  "name": "black,_ops",
  "manifest_version": 2,
  "description": "allow menu bar and bookmarks bar to get full effect"
}