.ngg-galleryoverview.default-view .ngg-gallery-thumbnail a {
margin: 15px;
}
.sl-wrapper .sl-image .sl-caption{
display:none !important;
}
@media (max-width: 867px) {
.ngg-gallery-thumbnail-box.ngg-3-columns {
width: 50%;
}
.ngg-galleryoverview.default-view .ngg-gallery-thumbnail a {
margin: 5px;
}
}