.rp-post-card__thumb {
    aspect-ratio:16/9;
    overflow:hidden;
}

.rp-post-card__thumb img {
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.rp-post-archive-grid { display:grid; gap:24px; grid-template-columns:1fr; }

.rp-post-card__thumb { aspect-ratio:16/9; overflow:hidden; }

.rp-post-card__thumb img { width:100%; height:100%; object-fit:cover; display:block; }

@media (min-width:480px) {

    .rp-post-archive-grid { grid-template-columns:repeat(2,1fr); }

}

@media (min-width:769px) {

    .rp-post-archive-grid { grid-template-columns:repeat(3,1fr); }

}

@media (min-width:1200px) {

    .rp-post-archive-grid { grid-template-columns:repeat(4,1fr); }

}

h2.rp-post-card__title
{
    font-size: 17px;
}