The well-known reset.css

reset.css

/* reset browser styles */
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p,
blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn,
em, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,
b, u, i, center, 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, hgroup, menu, nav,
output, ruby, section, summary, time, mark, audio, video {
  margin:          0;
  padding:         0;
  border:          0;
  font-size:       100%;
  vertical-align:  baseline;
}

article, aside, details, figcaption, figure, footer, header, hgroup,
menu, nav, section {
  display: block;
}

body {
  line-height: 1.2;
}

ol { 
  padding-left:  1.4em;
  list-style:    decimal;
}

ul {
  padding-left:  1.4em;
  list-style:    square;
}

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

/* vim: set ai nu nobk expandtab sw=2 tw=72 syntax=css : */