Examine source code of Stylishcoins

{
  "name": "Stylishcoins",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_20221223_103135.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(245, 117, 117, 1)",
      "bookmark_text": "rgba(176, 35, 35, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(189, 61, 61, 1)",
      "tab_line": "rgba(247, 89, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d3b6f2d-7115-4ae7-ad6c-9653f3bab6df}"
    }
  }
}