<style>
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: #333;
  color: #fff;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  color: #fff;
}

nav {
  display: flex;
  align-items: center;
}

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

nav li {
  margin: 0 1rem;
}

nav a {
  text-decoration: none;
  color: #fff;
}

nav select {
  display: none;
}

/* Add hamburger icon for smaller screens */
@media screen and (max-width: 600px) {
  .menu-icon {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    color: #fff;
  }
  nav ul {
    display: none;
    position: absolute;
    top: 5rem;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: center;
    background-color: #333;
    padding: 1rem;
  }
  nav ul.active {
    display: flex;
  }
  nav li {
    margin: 1rem 0;
  }
  nav a {
    color: #fff;
  }
  nav select {
    display: block;
    margin-top: 1rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.2rem;
    padding: 0.5rem;
    border: none;
    border-radius: 0.25rem;
    background-color: #fff;
    color: #333;
  }
}
</style>