body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
}

header {
  background-color: #343a40;
  color: white;
}

#nav-links {
  text-align: right;
}

/* Responsive hamburger and menu toggle */
@media (max-width: 991px) {
  #nav-links {
    display: none;
    background-color: #343a40;
    padding: 10px;
  }

  #nav-links.show {
    display: block !important;
  }

  #hamburger {
    background: none;
    border: none;
    font-size: 2rem;
    color: white;
    cursor: pointer;
  }

  #nav-links ul {
    flex-direction: column;
    align-items: flex-start;
    display: flex;
  }

  #nav-links .nav-item {
    margin: 5px 0;
  }
}

main {
  padding: 30px;
}

footer {
  background-color: #343a40;
  color: white;
  text-align: center;
  padding: 10px;
}

/* Tablet */
@media (min-width: 768px) {
  main {
    padding: 50px;
  }
}

/* Desktop */
@media (min-width: 992px) {
  main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px;
  }
}