.paintings-grid{display:flex;flex-wrap:wrap;gap:16px;margin:0;padding:0}
.painting-item{width:calc(33.333% - 10.66px);box-sizing:border-box;text-align:center}
.painting-thumb{max-width:100%;height:auto;display:block;margin:0 auto}
.painting-title{font-size:1rem;margin:8px 0}
.paintings-grid.columns-1 .painting-item{width:100%}
.paintings-grid.columns-2 .painting-item{width:calc(50% - 8px)}
.paintings-grid.columns-3 .painting-item{width:calc(33.333% - 10.66px)}
.paintings-grid.columns-4 .painting-item{width:calc(25% - 12px)}
.painting-no-thumb{background:#f3f3f3;padding:20px}
.paintings-none{color:#666}