@if ($niv == $nivdos)
<div class="alert alert-success alert-dismissible fade show" role="alert">
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Cerrar"></button>
    <div class="d-flex align-items-center">
        <div class="alert-icon">
            <span class="icon-stack icon-stack-md">
                <i class="base-7 icon-stack-3x color-success-600"></i>
                <i class="fal fa-check icon-stack-1x text-white"></i>
            </span>
        </div>
        <div class="flex-1">
            <span class="h5"><strong>Correcto!</strong></span>
            <br>
            <strong>Los números de serie coinciden.</strong>
        </div>
    </div>
</div>
@else
<div class="alert bg-warning-500 alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Cerrar"></button>
    <div class="d-flex align-items-center">
        <div class="alert-icon">
            <i class="fal fa-exclamation-triangle"></i>
        </div>
        <div class="flex-1">
            <span class="h5">
                <strong>Alerta!</strong>
            </span>
            <br>
            <strong>Los números de serie no coinciden.</strong>
        </div>
    </div>
</div>
@endif