Examine source code of Soft Side Pink Dark

{
  "name": "Soft Side Pink Dark",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "2560 X 1440.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(245, 245, 245, 1)",
      "toolbar": "rgba(161, 42, 68, 1)",
      "bookmark_text": "rgba(140, 140, 140, 1)",
      "toolbar_field": "rgba(148, 148, 148, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(170, 49, 222, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d57647d8-2393-42c8-805c-3c06dbf89d55}"
    }
  }
}