Examine source code of Adorable Kittens

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#1b0340",
      "tab_background_text": "#05e6f2"
    }
  },
  "version": "2.0",
  "name": "Adorable Kittens",
  "manifest_version": 2,
  "description": "My theme is all about kittens, and how remarkably adorable they are."
}