wp-calypso/client/site-profiler/components/skeleton-screen/style.scss

@import "@automattic/color-studio/dist/color-variables";
@import "@wordpress/base-styles/colors";

@keyframes site-profiler-skeleton__animation {
	0% {
		opacity: 0.5;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0.5;
	}
}

.site-profiler-skeleton {
	color: $studio-gray-0;
	background-color: $studio-gray-5;
	width: 100%;
	border-radius: 4px;
	animation: site-profiler-skeleton__animation 1.6s ease-in-out infinite;

	&::after {
		content: "";
	}
}