* { box-sizing: border-box }
html, body, div, span, iframe, h1, h2, h3, h4, h5, h6, p, pre,
a, img, sub, sup, b, u, i, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption, tbody, tfoot,
thead, tr, th, td, article, aside, canvas, details, embed, 
figure, figcaption, footer, header, menu, nav, section, summary  {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
}
body { line-height: 1 }
ul { list-style: none }
table {	border-collapse: collapse }
a { text-decoration: none }