.sponsor {
align-items: center; display: flex; flex-flow: column wrap;
}
.sponsor > a {
display: block; flex: 1 1 0; margin: 10px auto 5px auto; max-width: 250px;
}
.sponsor > p {
flex: 1 1 0;
}
@media screen and (min-width: 620px) {
.sponsor { flex-flow: row nowrap; } .sponsor > a { margin: 0 auto; }
}