CODE EXAMPLE FOR HTML

How to group form inputs

<fieldset>
<legend>Output format</legend>
  <div>
    <input type="radio" name="format" id="txt" value="txt" checked>
    <label for="txt">Text file</label>
  </div>
  <div>
    <input type="radio" name="format" id="csv" value="csv">
    <label for="csv">CSV file</label>
  </div>
  […]
</fieldset>