change_form.php

<form action="change.php" method="post">
    <fieldset>

        <div class="form-group">
            <input autofocus class="form-control" name="password" placeholder="Password" type="password"/>
        </div>
        <div class="form-group">
            <input class="form-control" name="new password" placeholder="New Password" type="password"/><br/>
             <input class="form-control" name="confirmation" placeholder="Confirmation" type="password"/>
        </div>
        <div class="form-group">
            <button type="submit" class="btn btn-default">submit</button>
        </div>
    </fieldset>
</form>