postcss-critical-split/testsuite/media-queries-basic-start-end/output.css

A PostCSS plugin that takes existing CSS files and splits out the annotated critical styles into a seperate file.

p{
	color: #333;
}

@media screen and (min-width: 300px) {
	p {
		float: left;
		text-decoration: underline;
	}

	li {
		float: left;
		text-align: center;
		padding: 0;
	}
}