Examine source code of Silver moonlight.

{
  "theme": {
    "images": {
      "theme_frame": "1124--3-bluetukiakari-aoku.jpg"
    },
    "colors": {
      "frame": "#dcedf5",
      "tab_background_text": "#f2f1c9"
    }
  },
  "version": "2.0",
  "name": "Silver moonlight.",
  "manifest_version": 2,
  "description": "●銀の月影。。\n\n\n\n\n1124--3-bluetukiakari-aoku"
}