Examine source code of Volcanic Ember

{
  "manifest_version": 2,
  "name": "Volcanic Ember",
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#100400",
      "tab_background_text": "#ff8040",
      "toolbar": "#1a0600",
      "toolbar_text": "#ffaa60",
      "toolbar_field": "#220800",
      "toolbar_field_text": "#ffd0a0",
      "tab_line": "#ff4400"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{82bd8f88-16a4-4835-ab16-6d05d79522da}"
    }
  }
}