@charset "UTF-8"; 

html, body, header, footer, 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, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, legend, caption, tbody, tfoot, thead, input, textarea, label, select {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-style: inherit;
  font-family: inherit;
  vertical-align: baseline;
  list-style: none;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body{
  padding:10px;
}
h1,h2{
  margin-bottom:20px;
}

.yss_open,
.yss_close{
  max-width:160px;
  margin:0 0 10px;
  padding:10px;
  color:#fff;
  line-height:1;
  background:#000;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  cursor:pointer;
}

.yss_content{
  padding:10px;
  background:#f0f0f0;
}

.yss_content[data-yss="number4"]{
  width:70%;
}