NodeBB/public/less/generics.less

.category-list {
	padding: 0;

	li {
		.inline-block;
		.pointer;
		padding: 0.5em;
		margin: 0.25em;
		.border-radius(3px);

		&.disabled {
			-webkit-filter: grayscale(30%);
			.opacity(0.5);
		}
	}
}

.user-list {
	padding-left: 2rem;
	padding-top: 1rem;

	li {
		.pointer;
		display: inline-block;
		list-style-type: none;
		padding: 0.5rem 1rem;

		&:hover {
			background: #eee;
		}

		img, .user-icon {
			float: left;
			height: 36px;
			width: 36px;
			margin-right: 1rem;
			line-height: 36px;
			font-size: 1.8rem;
		}

		span {
			vertical-align: middle;
			display: inline-block;
		}
	}
}

.user-icon {
	display: inline-block;
	text-align: center;
	color: @gray-lighter;
	font-weight: normal;

	&:before {
		content: '';
		display: inline-block;
		height: 100%;
		vertical-align: middle;
	}
}