/* Homepage topic cards: four desktop columns, two tablet columns, one phone column. */
.explore-topics .story-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:900px){.explore-topics .story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.explore-topics .story-grid{grid-template-columns:1fr}}