Examine source code of ToxicFox

{
  "theme": {
    "images": {
      "theme_frame": "firefoxpersonabasic2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#d0ff00"
    }
  },
  "version": "2.0",
  "name": "ToxicFox",
  "manifest_version": 2,
  "description": "Basic Black/Grey gradient with glowing green diagonal lines. Glowing Firefox Logo."
}