Examine source code of HoloWireNet_Theme_v1

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#b01a1a"
    }
  },
  "version": "2.0",
  "name": "HoloWireNet_Theme_v1",
  "manifest_version": 2,
  "description": "The Official FireFox theme for HoloWireNet V1. Ideas are excepted for future updates and designs"
}