 class="content"><div class='highlight'><pre>  <span class="hljs-tag">blockquote</span><span class="hljs-pseudo">:before</span>, <span class="hljs-tag">blockquote</span><span class="hljs-pseudo">:after</span>,
  <span class="hljs-tag">q</span><span class="hljs-pseudo">:before</span>, <span class="hljs-tag">q</span><span class="hljs-pseudo">:after</span> {
    <span class="hljs-attribute">content</span><span class="hljs-value">: <span class="hljs-string">''</span>;</span>
    <span class="hljs-attribute">con