.sort_nav {
  text-align: center;
  margin-bottom: 45px;
}

@media screen and (max-width: 767px) {
  .sort_nav {
    margin-bottom: 25px;
  }
}

.pager_nav {
  text-align: center;
  margin-top: 45px;
}

@media screen and (max-width: 767px) {
  .pager_nav {
    margin-top: 25px;
  }
}