nav {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 10vh;
  background-color: #282c34;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 20px;
}

nav ul li {
  display: inline-block;
}

nav ul li a {
  text-decoration: none;
  color: white;
  font-size: 18px;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 5px;
}

nav ul li a:hover {
  background: rgba(255, 255, 255, 0.2);
}

nav ul li a.active {
  background: #ffcc00;
  color: #000;
  border-radius: 5px;
}