khguide/public/styles/bbs/melding.css

@import url("./common.css");

table {
	thead {
		position: sticky;
		top: 0;
	}

	th.crystal {
		border-top: 0;
		border-bottom: var(--table-border);
		border-right: var(--table-border);
		border-radius: 0;
	}
}