.db-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:14px;background:var(--paper)}.db-thumb img{display:block;width:100%;height:100%;object-fit:cover}.db-thumb-empty{background-color:var(--paper);background-image:radial-gradient(circle,var(--dot-grid) 1.1px,transparent 1.3px);background-size:16px 16px}