.grid-container{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));gap:1rem;margin:1.5rem 0}.grid-item{padding:1rem 1.25rem;border:1px solid var(--border-color, #e1e4e8);border-radius:6px;transition:border-color 0.2s}.grid-item h3{margin-top:0;margin-bottom:0.5rem}.grid-item p{margin-bottom:0;font-size:0.9rem;opacity:0.85}.grid-item:hover{border-color:var(--link-color, #0969da)}