KNACSS/sass/_08-print.scss

/* quick print reset */
@media print {
	* {
		background: transparent !important;
		box-shadow: none !important;
		text-shadow: none !important;
	}

	body {
		width: auto !important;
		margin: auto !important;
		font-family: serif;
		font-size: 12pt;
		background-color: #fff !important;
		color: #333 !important;
	}

	p,
	.#{$kna-namespace}p-like,
	h1,
	.#{$kna-namespace}h1-like,
	h2,
	.#{$kna-namespace}h2-like,
	h3,
	.#{$kna-namespace}h3-like,
	h4,
	.#{$kna-namespace}h4-like,
	h5,
	.#{$kna-namespace}h5-like,
	h6,
	.#{$kna-namespace}h6-like,
	blockquote,
	ul,
	ol {
		color: #000 !important;
		margin: auto !important;
	}

	.#{$kna-namespace}print {
		display: block;
	}

	.#{$kna-namespace}no-print {
		display: none;
	}

	/* no orphans, no widows */
	p,
	.#{$kna-namespace}p-like,
	blockquote {
		orphans: 3;
		widows: 3;
	}

	/* no breaks inside these elements */
	blockquote,
	ul,
	ol {
		page-break-inside: avoid;
	}

	/* page break before main headers
	h1,
	.h1-like {
		page-break-before: always;
	}
	*/

	/* no breaks after these elements */
	h1,
	.#{$kna-namespace}h1-like,
	h2,
	.#{$kna-namespace}h2-like,
	h3,
	.#{$kna-namespace}h3-like,
	caption {
		page-break-after: avoid;
	}

	a {
		color: #000 !important;
		text-decoration: underline !important;
	}

	/* displaying URLs */
	a[href]::after {
		content: " (" attr(href) ")";
	}

	a[href^="javascript:"]::after,
	a[href^="#"]::after {
		content: "";
	}
}