Examine source code of black stripes vertical

{
  "name": "black stripes",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "checkers black...jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0)",
      "tab_background_text": "rgba(173, 173, 173, 1)",
      "toolbar": "rgba(0, 0, 0, 0.18)",
      "bookmark_text": "rgba(186, 186, 186, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.19)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 0.94)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d6b51d8f-2a87-4744-bf75-07f889436f60}"
    }
  }
}