vertical.css in SimpleMenu 6

.simplemenu-block {
  background: #ddd;
  width: 10em;
  float: left;
  margin: 0;
  padding: 0;
}
#simplemenu {
  background: #ddd;
  border-bottom: 1px solid #999;
  color: #333;
  font: 11px Verdana, Helvetica, sans-serif;
  text-align: left;
  width: 14em;
}

#simplemenu ul, #simplemenu li {
  width: 14em;
}

#simplemenu ul ul, #simplemenu ul li {
  width: 14em;
}

#simplemenu li:hover ul,
ul#simplemenu li.sfHover ul {
  left: 14em; /* match ul width */
  top: 0;
  border-top: 1px solid white;
  border-bottom: 1px solid #999;
}

#simplemenu a {
  color: #333;
  text-decoration: none;
  background: #ddd;
  border-right: 1px solid #999;
  border-left: 1px solid #eee;
  padding: 2px 6px 3px 6px;
  width: auto;
}
#simplemenu li.expanded > a {
  font-weight: 700;
  background: #ddd url(right-green.gif) no-repeat 97%;
  padding-right: 2em;
}

#simplemenu li:hover,
#simplemenu li.sfHover,
#simplemenu a:focus,
#simplemenu a:hover,
#simplemenu a:active,
#simplemenu li.expanded > a:hover {
  background: #3875d7;
  color: #fff;
}
#simplemenu li:hover .simplemenu-separator,
#simplemenu li.sfHover .simplemenu-separator {
  background: #ddd;
}