wp-calypso/client/me/two-step/style.scss

.two-step__placeholder-text {
	animation: loading-fade 1.6s ease-in-out infinite;
	background-color: var(--color-neutral-0);
	line-height: 1;	// Set line-height to current font-size
	margin-bottom: 0.5em;

	:last-child {
		margin-bottom: 0;
	}
}