No bootstraps columns gutter on specific row ( or small gutter)

style.css

.row.no-gutter {
  margin-left: 0;
  margin-right: 0;
}

.row.no-gutter [class*='col-']:not(:first-child),
.row.no-gutter [class*='col-']:not(:last-child) {
  padding-right: 0;
  padding-left: 0;
}

/* Add no-gutter class to any rows you wish it's columns not to have gutter */


.row.small-gutter {
	margin-left: -3px;
	margin-right: -3px;
}

.row.small-gutter [class*='col-']:not(:first-child),
.row.small-gutter [class*='col-']:not(:last-child) {
	padding-right: 3px;
	padding-left: 3px;
}

/* Add no-gutter class to any rows you wish it's columns to have smaller gutter */