Examine source code of Dark Foxkeh

{
  "theme": {
    "images": {
      "theme_frame": "firefoxfoxkehheaderdark.JPG"
    },
    "colors": {
      "frame": "#878787",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Dark Foxkeh",
  "manifest_version": 2,
  "description": "dark foxkeh\ndecided to create this because ive only seen 2 foxkeh personas that look good with darker desktop themes..."
}