body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #c9e3e4;
  }
header, footer {
  background: #282c38;
  color: white;
  padding: 1em;
  text-align: center;
}
nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
}
nav ul li {
  margin: 0 1em;
}
nav ul li a {
  color: white;
  text-decoration: none;
}
#menu-toggle {
  display: none;
}
main {
  padding: 2em;
}

.gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}


@media (max-width: 600px) {
  nav ul {
    display: none;
    flex-direction: column;
  }
  #menu-toggle {
    display: block;
    background: none;
    border: none;
    color: white;
    font-size: 1.5em;
  }
}