01-09/index.html

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>CSS&#34920;&#29694;&#12487;&#12514;</title>
  <link href="../base.css" rel="stylesheet" type="text/css"/>
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic&display=swap" rel="stylesheet">
  <style>
    .fukidashi-01-09 {
      position: relative;
      display: grid;
      place-items: center;
      width: 120px;
      height: 120px;
      border: 2px solid #333333;
      border-radius: 50%;
    }
    .fukidashi-01-09::after {
      content: "";
      position: absolute;
      top: 100%;
      left: 50%;
      width: 26px;
      height: 2px;
      transform: rotate(50deg);
      box-sizing: border-box;
      background-color: #333333;
      box-shadow: 0 2px 0 #ffffff, 0 -2px 0 #ffffff; /* &#32972;&#26223;&#33394;&#12392;&#21516;&#12376;&#33394;&#12434;&#25351;&#23450; */
    }
  </style>
</head>

<body>
<div class="fukidashi-01-09">
  <div>&#12363;&#12431;&#12356;&#12356;<br>&#12501;&#12461;&#12480;&#12471;</div>
</div>
</body>
</html>