/* The Gallery container (div) */
.gallery{ display: block; }

/* A Gallery item container,
 for 3, 2 and 4 column galleries */
.gallery .gallery-item { display: inline-block; margin-right: 15px; margin-bottom: 0; }
.gallery-columns-2 .gallery-item { display: inline-block;  }
.gallery-columns-4 .gallery-item { display: inline-block; }

/* The actual image inside a container
for 3, 2 and 4 column galleries */
.gallery img { width: 100%; height: auto; border: 1px solid #ccc; }
.gallery img:hover { border: 1px solid #000; }
.gallery-columns-2 .attachment-medium { }
.gallery-columns-4 .attachment-thumbnail { }

/* A gallery image caption */
.gallery .gallery-caption { }

/* Definition lists elements */
.gallery dl, .gallery dt { }

/* Pick the second line break if two
line breaks are adjacent */
.gallery br+br { }