main > img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  margin: 20px auto;
}



/* NAV */
nav {
  background-color: rgb(205, 220, 230);
  padding: 15px;
  text-align: center;
}

.mainNav .navList {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mainNav a {
  text-decoration: none;
  color: rgb(40, 60, 80);
}

.mainNav a:hover {
  text-decoration: underline;
  color: rgb(120, 60, 30);
}

.mainNav .navicon {
  display: none;
  font-size: 2em;
  padding: 10px;
  color: black;
}


/* GALLERY */
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.gallery img {
  width: 25%;
  height: auto;
}


/* TABLET (2 columns) */
@media only screen and (max-width: 1024px) {
  .gallery img {
    width: 50%;
  }
}


/* MOBILE */
@media only screen and (max-width: 768px) {

  body {
    width: 100%;
    margin: 0;
  }

  /* Hamburger menu behavior */
  .mainNav .navicon {
    display: block;
  }

  .mainNav .navList {
    display: none;
  }

  .mainNav:hover .navList {
    display: block;
  }

  .mainNav li {
    float: none;
    width: 100%;
    font-size: x-large;
  }

  .mainNav .navList a {
    display: block;
    border-bottom: 1px solid black;
    padding: 12px;
  }

  main > img {
  width: 90%;
  max-width: 400px;   /* controls how big it can get */
  height: auto;
  display: block;
  margin: 20px auto;
}

  /* Gallery (1 column) */
  .gallery img {
    width: 100%;
  }
}


/* DESKTOP */
@media only screen and (min-width: 769px) {

  /* Desktop-only background image */
  html {
    background-image: url("background.jpg");
    background-repeat: no-repeat;
    background-position: center top;
    background-size: cover;
  }

  .mainNav .navList {
    display: block;
  }

  .mainNav .navicon {
    display: none;
  }

  .mainNav li {
    display: inline-block;
    margin: 0 10px;
  }

  .mainNav a {
    display: inline;
    border-bottom: none;
    padding: 0;
  }
}

header img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}