Examine source code of Spring in the Air

{
  "name": "Spring in the Air",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "springintheairH2.jpg"
    },
    "colors": {
      "frame": "rgba(238, 202, 250, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(242, 205, 252, 0)",
      "bookmark_text": "rgba(3, 3, 3, 1)",
      "toolbar_field": "rgba(242, 205, 252, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(3, 3, 3, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{381b0feb-a911-47d7-8959-6a3d40c1011f}"
    }
  }
}