body {
  width: 100%;
  background-color: #222;
  color: #aaa;
}

main {
  display: grid;
  padding: 1rem;
  grid-template-columns: 1fr 4fr 1fr;
  /* max-width: 1080px; */
  margin: 0 auto;
  grid-gap: 1rem;
}

main > article > div {
  min-height: 100vh;
  padding: 3rem;
  background-color: #000;
}

aside > div {
  background-color: #000;
  padding: 1rem;
}

img {
  max-width: 100%;
  margin:auto;
}

#shortcuts {
  border-radius: 0;  
  color: #ccc;
  margin: 0;
  padding: 0;
}

#shortcuts ul {
  padding-inline-start: 0;
}

#shortcuts ul li {
  list-style-type: none;
  margin: 1rem 0;
  padding: 1rem;
  background-color: #000;
}

.navbar {
  background-color: #000;
  margin-bottom: 0;
  border: none;
  border-radius: 0;
}

.navbar-default .navbar-nav>.active>a, .navbar-default .navbar-nav>.active>a:focus, .navbar-default .navbar-nav>.active>a:hover {
  background-color: #333;
  color: #ccc;
}

.progress {
  background-color: #ccc;
  margin-bottom: 1rem;
}

.progress-bar {
  background-color: #777;
  color: #000;
}

.btn-group a {
  background-color: #333;
  color: #ccc;
  border-radius: 0;
  margin: 1rem;
  font-weight: bold;
}

.btn-group a:visited {
  color: #ccc;
}

.btn-group a:hover {
  background-color: #777;
  color: #ccc;
}