blockquote {
  border-radius: 6px;
  border-left: 3px solid #ccc;
  padding: 1px 12px 1px 12px;
  margin: 24px 12px;
  background-color: #f9f9f9;
  line-height: 1.5;
}

blockquote :first-child::before {
  content: "“";
  font-weight: 600;
}

blockquote :last-child::after {
  content: "”";
  font-weight: 600;
}