body {
  text-align: center;
  color: whitesmoke;
  background-color: rgba(0,255,0,1);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#current {
  font-weight: bold;
}

#error {
  background-color: rgba(255, 0, 0, 0.5);
}

ul {
  background-color: rgba(127, 255, 212, 0.2);
  list-style-type: none;
  padding: 10px;
}

li {
  display: inline;
  margin: 20px;
  border-bottom: 3px solid transparent;
}

li a {
  text-decoration: none;
  color: white;
}

li a:hover {
  color: rgba(127, 255, 0, 70);
  padding: 5px 10px;
  border-radius: 10px;
  background-color: darkcyan;
}