.callout {
  border-style: solid;
  border-width: 0 0 0 6px;
  margin: 12px 0 12px 0;
  padding: 12px 0 12px 18px;
}

.callout-header {
  font-size: 1.4em;
  font-weight: bold;
}

.callout-info {
  border-color: #03af7a;
  background-color: #f0f0f5;
}

.callout-warning {
  border-color: #dfd402;
  background-color: #fffed0;
  color: #605000;
}

.callout-danger {
  border-color: #ff4b00;
  background-color: #fff0f0;
  color: #b03000;
}