{"html":"<!DOCTYPE html>\n<html>\n\n<head>\n    <meta charset=\"UTF-8\">\n    <style>\n       /* 填写样式 */\n       div{\n        width:100px;/*直径*/\n        height:100px;/*直径*/\n        border-radius:50px;/* 圆角半径，仅设置一个值 */\n        background-color:transparent;/* 背景颜色透明或任何其他颜色 */\n        border:1px solid black;/*1px黑色实现边框*/\n       }\n    </style>\n</head>\n\n<body>\n  <div></div> \n    <script type=\"text/javascript\">\n        /* 填写JavaScript */\n        \n    </script>\n</body>\n\n</html>","css":"","js":""}