<style>
  body {
    -webkit-writing-mode: vertical-lr;
    -webkit-text-orientation: mixed;
  }
    div > div {
      display: inline-block;
    }
    span {
      padding-inline-start: 15px; padding-inline-end:15px;
      font-size: 48pt;
      background-color: #DDD;
      line-height: 2em;
      border-width: 20px;
      border-color: gray;
    }

    .sharp, .rounded {
      margin: 20px;
    }
    .rounded span {
      border-radius: 50%;
    }
  </style>
  <body>

    <div class="sharp">
      <div>
        <span style="border-style: solid;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: groove;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: ridge;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: outset;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: inset;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: double;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
    </div>

    <div class="rounded">
      <div>
        <span style="border-style: solid;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: groove;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: ridge;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: outset;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: inset;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
      <div>
        <span style="border-style: double;">
          &nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;</span>
      </div>
    </div>
  </div>