html, body, div, span, applet, object, iframe, blockquote, pre,
a, abbr, acronym, address, big, cite, code, p, small,
del, dfn, em, img, ins, kbd, q, s, samp,
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 {margin: 0;padding: 0;border: 0;font-size: 100%;vertical-align: baseline;}
ol, ul, li{list-style: none;}
a{text-decoration: none;color: black;}
button, input{border: none;}
input {outline: none;}