#mainmenu li {
  display: inline-block;
  height: 35px;
  padding: 15px 10px 0px 10px;
  margin-right: 5px;
}
#mainmenu li:hover {
  background-color: #6FACC6;
}
#mainmenu a {
  font: bold 18px Arial, sans-serif;
  color: #333333;
  text-decoration: none;
}