.dm-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;
}

.dm-item{
    background:#fff;
    border:1px solid #ddd;
    padding:20px;
    border-radius:8px;
}

.dm-title{
    font-size:18px;
    margin-bottom:10px;
}

.dm-download{
    display:inline-block;
    margin-top:10px;
    padding:8px 14px;
    background:#0073aa;
    color:#fff;
    text-decoration:none;
    border-radius:4px;
}

.dm-download:hover{
    background:#005f8d;
}