body{
  text-align: center;
}
a{
  color: white;
  background-color: gray;
  border-right: 1px solid white;
  padding:20px;
}
a.direction{
  color: yellow;
  background-color: gray;
  border-right: 1px solid white;
  width: 20px;
}
a.current{
  color: white;
  background-color: blue;
  border-right: 1px solid white;
}
a:hover{
  background-color: black;
}