@namespace epub "http://www.idpf.org/2007/ops";

body{
	padding: 0 3em;
	margin: 3em auto;
	max-width: 60ch;
}

section + section,
section + article,
article + section,
article + article{
	margin-top: 6em;
}

nav[epub|type~="toc"] ol{
	list-style: none;
}

@media(prefers-color-scheme: dark){
	body{
		background: #222222;
		color: #ffffff;
	}

	/* These three link colors provide WCAG AAA compliance at 16px */
	a:link{
		color: #6bb9f0;
	}

	a:active{
		color: #e6cc22;
	}

	a:visited{
		color: #dda0dd;
	}

	img[epub|type~="se:color-depth.black-on-transparent"]{
		filter: invert(1);
	}
}