normalize.css/normalize.metrics.css

/*
 * Metrics
 * Normalized and personalized sizing and spacing
*/

body,
button
input,
select,
textarea {
	font: 12px/18px sans-serif;
}

/*
 * Sectioning content
*/

article,
aside,
section {
	margin: 2em 0;
}

/*
 * Flow content
*/

dl,
figure,
menu,
nav,
ol,
p,
pre,
ul {
	margin: 1em 0;
}

blockquote {
	margin: 1em 40px;
}

/* 
 * Heading content
*/

h1,
h2,
h3,
h4,
h5,
h6,
hgroup {
	margin: 1em 0;
}

p + h2,
p + h3,
p + h4,
p + h5,
p + h6 {
	margin-top: 2em;
}

hgroup h1,
hgroup h2,
hgroup h3,
hgroup h4,
hgroup h5,
hgroup h6 {
	margin: 0.5em 0;
}

/*
 * List content
*/

details,
menu,
ol,
ul {
	padding: 0 0 0 40px;
}

dd {
	margin: 0 0 0 40px;
}

nav ul {
	list-style: none;
}

/*
* Table content
*/

table {
	border-collapse: collapse;
	border-spacing: 0;
}

caption {
	padding: 0 0 1em;
}

th,
td {
	padding: 1px;
	text-align: left;
}

/*
* Breaks
*/

hr {
	background: #CCC;
	border: 0;
	height: 1px;
	margin: -1px 0 1em;
}

/* Fonts */

h1 {
	font-size: 2em;
	margin: 0.67em 0;
}

h2 {
	font-size: 1.5em;
	margin: 0.83em 0;
}

h3 {
	font-size: 1.17em;
	margin: 1em 0;
}

h4 {
	font-size: 1em;
	margin: 1.33em 0;
}

h5 {
	font-size: 0.83em;
	margin: 1.67em 0;
}

h6 {
	font-size: 0.67em;
	margin: 2.33em 0;
}

/*
 * Forms
*/

fieldset {
	margin: 0 2px;
	padding: 0.35em 0.625em 0.75em;
}