.alert.alert-error.alerta {
    background-color: #dc3545;
    color: #fff;
}

.alert.alert-success.alerta, .alert.alert-error.alerta {
    margin: 15px;
    position: fixed;
    z-index: 9999;
    width: 17%;
    transform: translateX(250%);
    animation: fadeOut 5.5s ease-out forwards;
}
@keyframes fadeOut {
    0% {
        opacity: 1; 
    }
    90% {
        opacity: 1; 
    }
    100% {
        opacity: 0; 
        display: none; 
    }
}