NodeBB/public/scss/admin/manage/categories.scss

div.categories {
	ul[data-cid] {
		> li > ul > li {
			padding-left: 3rem;
		}

		> li {
			&.placeholder {
				border: 1px dashed #2196F3;
				background-color: #E1F5FE;
				width: 100%;
			}
		}
	}

	.disabled > .category-row {
		.icon, .title, .description {
			opacity: 0.5;
		}

		.stats {
			opacity: 0.3;
		}
	}

	.toggle {
		width: 24px;
		height: 24px;
		line-height: 24px;
		cursor: pointer;
	}

	.information {
		cursor: move;
	}

	.children-placeholder {
		min-height: 20px;
		height: 20px;
	}
}

.category {
	.privilege-table {
		tr > th:first-child {
			min-width: 150px;
		}
	}
}