.sideMenu li.here ul li a:hover  span.tip {
  display: block;
  z-index: 100;
  position: absolute;
  top: 0;
  left: 240px;
  width: 220px;
  line-height: 1.5em;
  padding: 10px;
  border: 3px solid #000;
  background-color: #f5f5f5;
  font-family: "trebuchet ms", verdana, arial, helvetica, sans-serif;
  font-size: 12px;
  font-weight: normal;
  color: #000;
  text-align: left;
}

.sideMenu li.here ul li a span.tip {
  display: none;
}