LEGEND SIMPLE
Run
<!doctype html>
<head>
   <title>basic Legend tag example</title>
   <style>
      legend {
      background-color: #000;
      color: #fff;
      padding: 3px 6px;
      }
      .output {
      font: 1rem 'Fira Sans', sans-serif;
      }
      input {
      margin: .4rem;
      }
   </style>
</head>
<body>
   <fieldset>
      <legend>Choose your favorite Fruit</legend>
      <input type="radio" id="mango" name="mango">
      <label for="mango">Mango</label><br/>
      <input type="radio" id="Pineapple" name="Pineapple">
      <label for="Pineapple">Pineapple</label><br/>
      <input type="radio" id="Kiwi" name="Kiwi">
      <label for="Kiwi">Kiwi</label>
   </fieldset>
</body>
</html>