/* For displaying 3 columns on tablet */
@media only screen and (max-width: 800px) {
 .gallery-columns-5 .gallery-item {
     width: 33%;
 }
}

/* For displaying single column on mobile */
@media only screen and (max-width: 480px) {
 .gallery-columns-5 .gallery-item {
     width: 100%;
 }
}

.gallery-columns-5 .gallery-item:nth-child(5n+1) {
     clear: none;
}