Examine source code of Soft Purple Space

{
  "theme": {
    "images": {
      "theme_frame": "softpurplespace.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#b1a3b5"
    }
  },
  "version": "2.0",
  "name": "Soft Purple Space",
  "manifest_version": 2,
  "description": "For when you don't want your persona to look like someone Lisa Franked your computer."
}