@charset "utf-8";
/* CSS Document */

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;
background: transparent;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
Capítulo 2. Buenas prácticas CSS avanzado
44 www.librosweb.es
/* No olvides definir estilos para focus */
:focus {
outline: 0;
}
/* No olvides resaltar de alguna manera el texto insertado/borrado */
ins {
text-decoration: none;
}
del {
text-decoration: line-through;
}
/* En el código HTML es necesario añadir cellspacing="0" */
table {
border-collapse: collapse;
border-spacing: 0;
}
.clearfix {height:1px;}

/* place css fixes for all versions of IE in this conditional comment */
#sidebar1 { padding-top: 30px; }
#main { zoom: 1; padding-top: 15px; }
/* the above proprietary zoom property gives IE the hasLayout it needs to avoid several bugs */