Examine source code of Subtle Blue Waves

{
  "theme": {
    "images": {
      "theme_frame": "Firefoxpersona_bluewavescopy.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Subtle Blue Waves",
  "manifest_version": 2,
  "description": "First attempt at a persona, trying to find a happy medium between progressive and subtle."
}