html, body, div, span, plet, object, iframe, h1, h2, h3, 
h4, h5, h6, p, blockquote, pre, a, abbr, acronym, 
address, big, cite, code, del, dfn, em, font, img, ins, 
kbd, q, s, samp, small, strike, strong, sub, sup, tt, 
var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, 
table, ction, tbody, tfoot, thead, tr, th, td {
	margin: 0;
	padding: 0;
	border: 0;
	font-weight: inherit;
	font-style: inherit;
	font-size: 100%;
	font-family: inherit;
	vertical-align: baseline;
	font-variant: inherit;
}
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, 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 {
	margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	font-size: 100%;
	vertical-align: baseline;
}
body { line-height: 1; }
ol, ul { list-style: none; }
blockquote, q { quotes: none; }
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
:focus { outline: 0; }
ins { text-decoration: none; }
del { text-decoration: line-through; }

/* En el código HTML es necesario añadir cellspacing="0" a la tabla */

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