/* CSS Reset */
body, header, nav, main, footer, h1, div, img, ul, figure, figcaption, section, article, aside {
  margin: 0;
  padding: 0;
  border: 0;
}

/* Style rules for body and images */
body {
  background-color: #000;
}

img {
  max-width: 100%;
  display: block;
}

/* Universal box sizing */
* {
  box-sizing: border-box;
}

/* MOBILE VIEWPORT (default) */
header {
  top: 0;
  background-color: #000;
  height: 190px;
}

header img {
  margin: 0 auto;
}

nav {
  padding: 1%;
  margin-bottom: 1%;
}

nav ul {
  list-style-type: none;
  text-align: center;
}

nav li {
  font-size: 1.5em;
  font-family: 'Francois One', sans-serif;
  border-top: 1px solid #fff;
}

nav li:first-child {
  border-top: none;
}

nav li a {
  display: block;
  color: #fff;
  padding: 0.5em 1em;
  text-decoration: none;
}

/* Show mobile class, hide tablet-desktop */
.mobile {
  display: block;
}

.tablet-desktop {
  display: none;
}

/* Main content styles */
main {
  background-color: #fff;
  padding: 2%;
  font-size: 1.15em;
  font-family: 'Roboto Slab', serif;
}

article {
  padding: 2%;
}

article h3 {
  text-align: center;
}

article img {
  margin: 0 auto;
}

article ul {
  margin-left: 10%;
}

article:nth-of-type(2) {
  background-color: rgba(204, 204, 204, 0.3);
}

.round {
  border-radius: 8px;
}

/* Footer */
footer p {
  font-size: 0.75em;
  text-align: center;
  color: #fff;
  padding: 0 1em;
}

/* TABLET VIEWPORT */
@media screen and (min-width: 630px), print {
  .tablet-desktop {
    display: block;
  }

  .mobile {
    display: none;
  }

  header {
    padding-bottom: 2%;
  }

  nav li {
    border-top: none;
    display: inline-block;
    border-right: 1px solid #fff;
  }

  nav li:last-child {
    border-right: none;
  }

  nav li a {
    padding: 0.1em 0.75em;
  }

  main ul {
    margin: 0 0 4% 10%;
  }

  .grid {
    display: grid;
    grid-template-columns: auto auto auto;
    grid-gap: 20px;
  }

  aside {
    text-align: center;
    font-size: 1.25em;
    font-style: italic;
    font-weight: bold;
    padding: 2%;
    background-color: rgba(204, 204, 204, 0.5);
    box-shadow: 5px 5px 8px #000;
    text-shadow: 5px 5px 5px #b3b3b3;
    border-radius: 0 15px;
  }

  .grid-item4 {
    grid-column: 1 / span 3;
  }
}

/* DESKTOP VIEWPORT */
@media screen and (min-width: 1015px), print {
  header {
    width: 25%;
    float: left;
    padding-bottom: 0;
  }

  nav {
    float: right;
    width: 70%;
    margin: 4em 1em 0 0;
  }

  nav ul {
    text-align: right;
  }

  nav li {
    border: none;
  }

  nav li a {
    padding: 0.5em 1em;
  }

  nav li a:hover {
    color: #000;
    background-color: #fff;
  }

  main {
    clear: left;
  }

  main h1 {
    font-size: 1.8em;
  }

  article h3 {
    font-size: 1.75em;
  }
}

/* LARGE DESKTOP VIEWPORT */
@media screen and (min-width: 1921px) {
  #container {
    width: 1920px;
    margin: 0 auto;
  }
}

/* PRINT VIEW */
@media print {
  body {
    background-color: #fff;
    color: #000;
  }
}