.grid{
display:grid;
grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
gap:20px;
}
.card{
border:1px solid #ccc;
padding:15px;
border-radius:10px;
background:#fff;
}
.btn{
display:inline-block;
padding:6px 10px;
background:#0073aa;
color:#fff;
text-decoration:none;
border-radius:5px;
}