Examine source code of AEVION

{
  "theme": {
    "images": {
      "theme_frame": "firefoxbg.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#222222"
    }
  },
  "version": "2.0",
  "name": "AEVION",
  "manifest_version": 2,
  "description": "This theme is a minimalist design that was designed to look refined and sophisticated without distracting you from your content."
}