.top-content {
  background-color: black;
  background-image: url('../img/backgrounds/postits-tint.jpg')
}

mark {
  background-color: #ecfeb0;
}

.navbar-brand {
  padding: 20px 0;
}

.description {
  font-size: 1.4em;
}

.chapters-box .chapters-box-icon {
  color: #46cab7
}

button.btn {
  background: #46cab7;
}

button.btn:hover, button.btn:active, button.btn:focus,
button.btn:active:focus, button.btn.active:focus {
  background: #84dbce;
}