li {
vertical-align: middle;
}

ruby {
  display:inline-table;
  text-align:center;
  white-space:nowrap;
  vertical-align: bottom;
  margin: 0 1px .5em 0;
font-size: 1em;
}

/* ruby base */
ruby rb,ruby rbc {
  display:table-row-group;
  text-align:center;
  /*  line-height:1em; */
}

/* ruby text */
ruby rt,ruby rtc {
  display:table-header-group;
  text-align:center;
  font-size:.9em;
  line-height:1em;
  letter-spacing:0;
}

/* list inside ruby text */
ruby rt li {
  display: block;
  list-style: none;
  text-align: left;
  font-size: 1em; /* from rt properties */
  /*  border: 0; padding: 0; margin: 0; */
}

/* ruby 括號 */
rp {
  display:none;
}