.pm-top-banners {
    text-align: center;
    margin: 15px auto 20px;
}

.pm-top-banner {
    margin: 0 auto 12px;
}

.pm-top-banner a {
    display: inline-block;
    max-width: 100%;
}

.pm-top-banner img {
    display: inline-block;
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}