blockquote > blockquote > blockquote p:first-child:after {
  content: 'Warning';
}

blockquote > blockquote > blockquote > blockquote > p:first-child:after {
  content: 'Error';
}

blockquote > blockquote > blockquote > blockquote > blockquote > p:first-child:after {
  content: 'Note';
}

blockquote > blockquote > blockquote > blockquote > blockquote > blockquote > p:first-child:after {
  content: 'Tip';
}