#navbar {
  background-color: #333; /* Black background color */
  position: fixed; /* Make it stick/fixed */
  top: 0; /* Stay on top */
  width: 100%; /* Full width */
  transition: top 0.5s; /* Transition effect when sliding down (and up) */
}

/* Style the navbar links */
#navbar a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 15px;
  text-decoration: none;
  font-size: 2.5em; /* 40px/16=2.5em */
}

#navbar a:hover {
  background-color: #0361ad;
  color: black;
}