.item {it
border: 1px solid #f3f3f3;io
box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.15), 0 2px 4px 0 rgba(0, 0, 0, 0.10);transition
transition: box-shadow 0.2s;
&:hover {
box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.3), 0 4px 8px 0 rgba(0, 0, 0, 0.25);
}
}