Examine source code of ToxiCcccc

{
  "name": "ToxiC",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "steamuserimages-a.akamaihd.gif"
    },
    "colors": {
      "frame": "rgba(113, 36, 214, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(171, 84, 184, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{994275d2-4588-4832-a3fe-6bfbc17c6583}"
    }
  }
}