.gallery-assorted .wrapper a {
  display: block;
  page-break-inside: avoid;
  -moz-column-break-inside: avoid;
       break-inside: avoid;
  padding: 10px;
}
.gallery-assorted .wrapper img {
  width: 100%;
  height: auto;
}
.gallery-assorted .wrapper {
  -moz-column-count: 4;
       column-count: 4;
  -moz-column-gap: 0;
       column-gap: 0;
}

@media (max-width: 575.5px) {
  .gallery-assorted .wrapper {
    -moz-column-count: 2;
         column-count: 2;
  }
}
@media (min-width: 576px) and (max-width: 767.5px) {
  .gallery-assorted .wrapper {
    -moz-column-count: 3;
         column-count: 3;
  }
}
@media (min-width: 768px) and (max-width: 991.5px) {
  .gallery-assorted .wrapper {
    -moz-column-count: 3;
         column-count: 3;
  }
}
@media (min-width: 992px) and (max-width: 1199.5px) {
  .gallery-assorted .wrapper {
    -moz-column-count: 3;
         column-count: 3;
  }
}