Examine source code of The Blooming Tree

{
  "name": "The Blooming Tree",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(204, 219, 175, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(203, 219, 175, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(203, 219, 175, 0.06)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(224, 18, 131, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7a41466f-ea23-4295-b284-cca5de7559f5}"
    }
  }
}