为div元素的右下角添加圆角边框 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    div {
      border: 2px solid;
      padding: 10px;
      background: #dddddd;
      border-bottom-left-radius: 2em;
    }
  </style>
</head>
<body>

  <div>border-bottom-left-radius 属性允许您向左下角添加圆角边框。</div>

</body>
</html>
        