.banners {
  padding: 30px 0;
  background-color: red; }
  .banners a {
    display: block; }
    .banners a img {
      border-radius: 4px; }
      .banners a img:hover {
        -webkit-box-shadow: 0px 0px 8px #999;
        box-shadow: 0px 0px 8px #999; }

@media screen and (max-width: 767px) {
  .banners a {
    margin-bottom: 15px; }
    .banners a img {
      margin-bottom: 15px; } }