Examine source code of Chiikawa Dance

{
  "name": "Chiikawa Dance",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "chiikawa-hachiware.gif"
    },
    "colors": {
      "frame": "rgba(183, 225, 240, 1)",
      "tab_background_text": "rgba(247, 178, 209, 1)",
      "toolbar": "rgba(235, 171, 203, 0.36)",
      "bookmark_text": "rgba(120, 175, 230, 1)",
      "toolbar_field": "rgba(255, 250, 252, 0.27)",
      "toolbar_field_text": "rgba(120, 175, 230, 1)",
      "tab_line": "rgba(237, 173, 203, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9b1bd4a2-d1f2-4c34-8667-91739db6a23b}"
    }
  }
}