Examine source code of Rose Pattern

{
  "name": "Rose Pattern",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "UHDpink clouds.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(245, 86, 101, 0.65)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(176, 28, 65, 0.67)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(250, 70, 232, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{be6eb30f-0fb3-400e-a582-6126e98d4ac9}"
    }
  }
}