<fieldset>
    <legend>Audio settings</legend>

    <label for="volume">Volume</label>
    <input type="range" id="start" name="volume"
           min="0" max="11" />

    <label for="cowbell">Cowbell</label>
    <input type="range" id="cowbell" name="cowbell" 
           min="0" max="100" value="90" step="2" />

</fieldset>

Output