html, body, div, span, h1, h2, h3, h4, h5, h6, p, a, img, ul, ol, li,
form, label, input, textarea, button, nav, header, footer, section, article {
  margin: 0; padding: 0; box-sizing: border-box; border: 0;
  font-size: 100%; font: inherit; vertical-align: baseline;
}
body { line-height: 1; }
ol, ul { list-style: none; }