Examine source code of Soft Spring by M♥Donna

{
  "name": "Soft Spring by M♥Donna",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Soft Lily of the ValleyH.jpg"
    },
    "colors": {
      "frame": "rgba(199, 187, 151, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(201, 189, 153, 0)",
      "bookmark_text": "rgba(36, 35, 35, 1)",
      "toolbar_field": "rgba(201, 189, 153, 0.1)",
      "toolbar_field_text": "rgba(31, 31, 31, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4b2dd99f-a531-49c6-8a32-aebe4d90abb0}"
    }
  }
}