Examine source code of basic-blue.developer-an

{
  "name": "basic-blue.developer-an",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Post by organs14 · 1 image(2).gif"
    },
    "colors": {
      "frame": "rgba(153, 89, 87, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(171, 121, 118, 0.5)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(135, 69, 64, 0.5)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(163, 109, 104, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1aec9721-59e4-40c0-b854-9caf5f1d4ada}"
    }
  }
}