body {
  background-color: #f5f6fa;
}
.cursor-pointer {
  cursor: pointer;
}
.card {
  border: none;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.navbar-brand i {
  font-size: 1.3rem;
}
.display-4 {
  font-weight: 700;
}
code {
  color: #4a5568;
}