.ptb_relation_posts,
.ptb_relation_item {
    margin: 0;
    padding: 0;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    list-style: none;

}
.ptb_relation_grid .ptb_relation_item {
    vertical-align: top;
    float: left;
    max-width: 100%;
    width: 100%;
}

.ptb_relation_columns_1 .ptb_relation_item {
    width: 100%;
}
/* gallery column 2 */
.ptb_relation_columns_2 .ptb_relation_item {
    width: 49.2%;
}

/* gallery column 3 */
.ptb_relation_columns_3 .ptb_relation_item {
    width: 32.3%;
}
/* gallery column 4 */
.ptb_relation_columns_4 .ptb_relation_item {
    width: 23.8%;
}

/* gallery column 5 */
.ptb_relation_columns_5 .ptb_relation_item {
    width: 18.8%;
}

/* gallery column 6 */
.ptb_relation_columns_6 .ptb_relation_item {
    width: 15.4%;
}

/* gallery column 7 */
.ptb_relation_columns_7 .ptb_relation_item {
    width: 13%;
}

/* gallery column 8 */
.ptb_relation_columns_8 .ptb_relation_item {
    width: 11.18%;
}

/* gallery column 9 */
.ptb_relation_columns_9 .ptb_relation_item {
    width: 9.77%;
}

/* set gallery item margin-right */
.ptb_relation_columns_1 .ptb_relation_item,
.ptb_relation_columns_2 .ptb_relation_item,
.ptb_relation_columns_3 .ptb_relation_item,
.ptb_relation_columns_4 .ptb_relation_item,
.ptb_relation_columns_5 .ptb_relation_item,
.ptb_relation_columns_6 .ptb_relation_item,
.ptb_relation_columns_7 .ptb_relation_item,
.ptb_relation_columns_8 .ptb_relation_item,
.ptb_relation_columns_9 .ptb_relation_item {
    margin: 0 1.5% 1.5% 0;
}

/* clear gallery item margin-right */
.ptb_relation_columns_9 .ptb_relation_item:nth-of-type(9n),
.ptb_relation_columns_8 .ptb_relation_item:nth-of-type(8n),
.ptb_relation_columns_7 .ptb_relation_item:nth-of-type(7n),
.ptb_relation_columns_6 .ptb_relation_item:nth-of-type(6n),
.ptb_relation_columns_5 .ptb_relation_item:nth-of-type(5n),
.ptb_relation_columns_4 .ptb_relation_item:nth-of-type(4n),
.ptb_relation_columns_3 .ptb_relation_item:nth-of-type(3n),
.ptb_relation_columns_2 .ptb_relation_item:nth-of-type(2n) {
    margin-right: 0;
}

/* new line */
.ptb_relation_columns_9 .ptb_relation_item:nth-of-type(9n)+.ptb_relation_item,
.ptb_relation_columns_8 .ptb_relation_item:nth-of-type(8n)+.ptb_relation_item,
.ptb_relation_columns_7 .ptb_relation_item:nth-of-type(7n)+.ptb_relation_item,
.ptb_relation_columns_6 .ptb_relation_item:nth-of-type(6n)+.ptb_relation_item,
.ptb_relation_columns_5 .ptb_relation_item:nth-of-type(5n)+.ptb_relation_item,
.ptb_relation_columns_4 .ptb_relation_item:nth-of-type(4n)+.ptb_relation_item,
.ptb_relation_columns_3 .ptb_relation_item:nth-of-type(3n)+.ptb_relation_item,
.ptb_relation_columns_2 .ptb_relation_item:nth-of-type(2n)+.ptb_relation_item{
    clear:both;
}

.ptb_relation_gutter_sizer {
	width: 1.5%;
}
.ptb_relation_posts.ptb_relation_masonry .ptb_relation_item {
	margin-left: 0 !important;
	margin-right: 0 !important;
}