Examine source code of High Mountain Snow

{
  "name": "High Mountain Snow",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "HighMountainSnowH.jpg"
    },
    "colors": {
      "frame": "rgba(142, 176, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(144, 176, 235, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(144, 176, 235, 0.08)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{770055bd-193b-43dc-98cb-55f33a989c14}"
    }
  }
}