nodebb/public/scss/admin/manage/groups.scss

.groups {
	.groups-list {
		td {
			max-width: 350px;
		}
	}
}

.page-admin-groups {
	[component="category/list"] li {
		cursor: pointer;
	}

	#group-icon-preview.fa-nbb-none {
		display: none;
	}
}