main {
    max-width: 50rem;
    margin: 0 auto;
    padding: 3.5rem 1.25rem;
    color: #333;
}

.post-title {
    margin: 0 0 2.5rem;
    color: #222;
    font-size: 1.875rem;
    line-height: 1.8;
    font-weight: 800;
}

@media (max-width: 768px) {
    main {
        padding: 2rem 1rem;
    }

    .post-title {
        margin-bottom: 2rem;
        font-size: 1.4rem;
        line-height: 1.9;
    }
}