clude</span><span class="hljs-preprocessor"> safe-rem</span>(font-size, $h4-size);</span>
    }

    <span class="hljs-tag">h5</span> {
      <span class="hljs-at_rule">@<span class="hljs-keyword">include</span><span class="hljs-preprocessor"> safe-rem</span>(font-size, $h5-size);</span>
    }

    <span class="hljs-tag">h6</span> {
      <span class="hljs-at_rule">@<span class="hljs-keyword">include</span><span class="hljs-preprocessor"> safe-rem</span>(font-size, $h6-size);</span>
    }

    <span class="