html, body, div, span, h1, h2, h3, h4, h5, h6, p, article, section, header, footer, figure, img, figcaption, ul, ol, li, hgroup, a, hr, form, fieldset, input, button
{
    margin:0;
    padding:0;
    border:0;
    font-size:100%;
    vertical-align:baseline;
}