fieldset bootstrap code example

Example 1: bootstrap range input

<form>
  <div class="form-group">
    <label for="formControlRange">Example Range input</label>
    <input type="range" class="form-control-range" id="formControlRange">
  </div>
</form>

Example 2: what is a fieldset html

The <fieldset> is a tool for organizing and grouping related 
items within a form. (Mostly visual for the reader).
 
 <form>
  <fieldset>

    <input type="radio" id="kraken" name="monster">
    <label for="kraken">Kraken</label>

    <input type="radio" id="sasquatch" name="monster">
    <label for="sasquatch">Sasquatch</label>

  </fieldset>
</form>