Examine source code of Sleepy Foxkeh

{
  "theme": {
    "images": {
      "theme_frame": "foxkeh.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sleepy Foxkeh",
  "manifest_version": 2,
  "description": "After learning about Foxkeh for the first time today, I had to draw him!\nI made this theme for myself, and I use a more compact Firefox theme without many toolbars, so there may be a lot of empty space below Foxkeh for users with different themes."
}