body {
  background-color: #f5f6fa;
}

.navbar-brand {
  font-weight: 600;
}

.table th {
  font-weight: 600;
}

pre {
  tab-size: 4;
}

.card {
  border: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.card-header {
  background-color: #fff;
  border-bottom: 1px solid #e9ecef;
}

.btn-outline-danger:hover {
  color: #fff;
}

.modal-header .btn-close {
  margin: 0;
}