Examine source code of Legna 1a

{
  "theme": {
    "images": {
      "theme_frame": "Legna-1W.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#0a0c91"
    }
  },
  "version": "2.0",
  "name": "Legna 1a",
  "manifest_version": 2,
  "description": "調整しました。"
}