.preview-big h1 {
    font-size: 2rem;
    line-height: 2.25rem;
    color: var(--primary-color);
    padding-bottom: 0.5rem;
}

.preview-big p {
    padding-top: 0.5rem;
    font-size: 1.25rem;
    line-height: 1.5rem;
}

@media (max-width: 991px) {
    .preview-big {
        margin-top: 4.5rem;
        padding-top: 1rem;
    }
    .preview-big h1 {
        font-size: 1.5rem;
        line-height: 1.75rem;
        padding-bottom: 0.5rem;
    }
}