/* reset */
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 {margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;}
table {border-collapse:collapse;border-spacing:0;}
li{list-style:none;}
img {border:0 none;vertical-align:top;}
table {border:0;border-collapse:separate;border-spacing:0;}
legend, caption {visibility:hidden;width:0;height:0;line-height:0;font-size:0;color:transparent;}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, main {display:block;}
.blind, .hide {position:absolute;left:0;top:0;visibility:hidden;width:0;height:0;line-height:0;font-size:0;color:transparent;}

/* accessibility */
#accessibility {position:absolute; top:0; left:0; z-index:9999;  width:100%; text-align:left}
#accessibility a {display:block; position:absolute; top:-1000px; left:0; z-index:500; width:100%; text-align:center}
#accessibility a:focus, #accessibility a:active {position:absolute; top:0; z-index:1000; height:40px; background:#000; font:bold 12px dotum; color:#fff; line-height:40px}