Examine source code of Cherry Blossoms

{
  "name": "Cherry Blossoms",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Knipsel.PNG"
    },
    "colors": {
      "frame": "rgba(169, 115, 240, 1)",
      "tab_background_text": "rgba(252, 252, 252, 1)",
      "toolbar": "rgba(252, 252, 252, 0.33)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(242, 148, 214, 0.71)",
      "tab_line": "rgba(226, 106, 245, 0.84)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{66dae640-58c9-40db-9ff6-0d390c370619}"
    }
  }
}