.responsive-heading {
    font-size: 2rem; /* Tamaño por defecto para pantallas grandes */
}

.container-fluid .card{
    margin-top: 100px;
}

@media (max-width: 992px) {
    .responsive-heading {
        font-size: 1.7rem;
    }

    .container-fluid .card{
        margin-top: 0px;
    }
}

@media (max-width: 768px) {
    .responsive-heading {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    .responsive-heading {
        font-size: 1.2rem;
    }
}

.is-invalid{
    
    border-bottom: 2px solid #dc3545;
    padding-right: 2.25rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}