.tmb-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}
.tmb-box {
    background: #f7f7f7;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.tmb-box h3 {
    margin-top: 0;
    color: #333;
}
.tmb-content {
    color: #555;
}