Examine source code of alysicion

{
  "theme": {
    "images": {
      "theme_frame": "firefoxsolidexpi.jpg"
    },
    "colors": {
      "frame": "#20397b",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "alysicion",
  "manifest_version": 2,
  "description": "Two shades of blue. A solid steel blue header is paired with a darker sapphire blue footer. Nautical blue."
}