Examine source code of Soft Mauve

{
  "name": "Soft Mauve",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(189, 159, 174, 1)",
      "tab_background_text": "#ffffff",
      "toolbar": "rgba(191, 160, 175, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(212, 201, 206, 0.03)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{553d8c77-117b-45d9-b40d-1c36f7498c05}"
    }
  }
}