Examine source code of Pitch Sapphire

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#162256",
      "tab_background_text": "#d8e6f1"
    }
  },
  "version": "2.0",
  "name": "Pitch Sapphire",
  "manifest_version": 2,
  "description": "A dark blue theme textured with a stone texture and a slight bevel."
}