.oap-filters{margin-bottom:20px}
.oap-filters button{margin:5px;padding:8px 12px;border:none;background:#eee;cursor:pointer}
.oap-filters button.active{background:#333;color:#fff}

.oap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}
.oap-item{border:1px solid #ddd;padding:15px;border-radius:10px;background:#fff}