gistfile1.css

#menuContainer ul li {
  -moz-transition: 0.5s;
  -webkit-transition: 0.5s;
  border-bottom: 1px solid transparent;
  color: #6B6B6B;
  cursor: pointer;
  display: inline;
  text-decoration: none;
  font: normal 15px Arial, Helvetica, sans-serif;
  list-style-type: none;
  margin: 0 5px;
  padding: 18px 15px;
}

/* Chrome */
.webkit #menuContainer ul li {
  padding: 18px 15px !important;
}
/* Firefox */
.gecko #menuContainer ul li {
  padding: 17px 15px !important;
}