Center Page on screen CSS

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, 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 {
    font-size: 100%;
    font: inherit;
    padding: 0;
    border: 0;
    margin: 0 auto;
    vertical-align: baseline;
	text-align: center;
}