style

<style>
        .outer-ring {
          border: 3px solid black;
          width: 48pt;
          height: 48pt;
        }
        .inner-circle {
          width: 10pt;
          height: 10pt;
          background: black;
        }
    
      </style>
      <div class="outer-ring">
        <div class="inner-circle">
        </div>
      </div>