Rocket.Chat/packages/rocketchat-action-links/client/stylesheets/actionLinks.css

.message {
	& .actionLinks {
		margin-top: 4px;
		margin-bottom: 4px;
		padding: 0;

		text-align: center;

		& li {
			position: relative;

			display: inline;

			padding-right: 2px;

			list-style: none;

			cursor: pointer;

			& .action-link {
				margin: 0 2px;
				padding: 5px;

				border-radius: 7px;
			}
		}

		& li:last-child::after {
			content: none;
		}
	}
}