ul.intern {
  margin: 10px 5px 5px;
  display: block;
  background-color: #cecece;
  float: left;
  text-align: center;
  text-decoration: none;
  padding-left: 5px;
  padding-right: 5px;
  opacity: 0.8;
}
ul.intern li {
  margin: 20px;
  display: block;
  background-repeat: repeat-x;
  background-position:  center center;
  font-size: 14px;
  font-weight: bold;
  text-align: left;
}