Examine source code of Memorial Day 5/26

{
  "name": "Memorial Day 5/26",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Memorial Day 2026 .jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(230, 43, 37, 1)",
      "toolbar": "rgba(247, 240, 250, 0.17)",
      "toolbar_field": "rgba(217, 191, 191, 0)",
      "toolbar_field_text": "rgba(230, 37, 37, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fbf9a5f7-2092-4888-98fb-84f341cb984e}"
    }
  }
}