wp-calypso/client/my-sites/plugins/_variables.scss

$plugin-details-header-padding: 100px;

%placeholder {
	cursor: default;
	color: transparent;
	user-select: none;
	background-color: var(--color-neutral-0);
	animation: loading-fade 1.6s ease-in-out infinite;
}

%plugin-header {
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 0;
}