<http://schema.org/headline>
" CSS3 \u4E3B\u8981\u77E5\u8BC6\u70B9\u590D\u4E60\u603B\u7ED3+HTML5 \u65B0\u589E\u6807\u7B7E"^^<http://www.w3.org/2001/XMLSchema#string>
<https://software.intel.com/de-de/node/515750>