Rocket.Chat/packages/rocketchat-channel-settings-mail-messages/client/stylesheets/mail-messages.less

.flex-tab {
	.mail-message {
		form {
			margin-top: 20px;

			.input-line.double-col {
				margin-bottom: 20px;

				label {
					line-height: 15px;
				}

				div {
					line-height: 15px;
					i.octicon {
						font-size: 13px;
						opacity: 0.4;
						vertical-align: top;
					}
				}
			}
		}
	}
}