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 article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    background: none repeat scroll 0 0 transparent;
    border: 0 none;
    margin: 0;
    outline: 0 none;
    padding: 0;
    vertical-align: baseline;
}
img {
    border: 0;
    vertical-align: middle;
}
ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.cf:after {
    content: "";
    display: block;
    clear: both;
}