Examine source code of Dilyn Firefox

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Dilyn Firefox",
  "manifest_version": 2,
  "description": "Just a little thing I whipped up for myself :D\n\nWhipped it up using Adobe font with two wind passes from the left. Also used a flame render a couple times."
}