.cbsec {
  margin: 1.5rem 0.75rem;
  padding: 1rem 1.25rem;
  background: #f5f5f5;
  border-left: 5px solid #6b6b6b;
  border-top: 1px solid #e8e8e8;
  border-right: 1px solid #e8e8e8;
  border-bottom: 1px solid #e8e8e8;
  border-radius: 0 4px 4px 0;
  box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.09);
  font-size: 1rem;
  line-height: 1.6;
}

.cbsec > :first-child {
  margin-top: 0;
}

.cbsec > :last-child {
  margin-bottom: 0;
}