title: How do I change the font weight for a Bootstrap 4 modal header?
body: <p>How do I increase the font weight in the following Bootstrap 4 modal "header"?</p>
  
  <p>Bonus points: I'd also like to make the font color = "#7f7f7f"...</p>
  
  <pre><code>&lt;div class="modal" tabindex="-1" role="dialog"&gt;
    &lt;div class="modal-dialog" role="document"&gt;
      &lt;div class="modal-content"&gt;
        &lt;div class="modal-header"&gt;
          &lt;h5 class="modal-title"&gt;Modal title&lt;/h5&gt;
        &lt;/div&gt;
        &lt;div class="modal-body"&gt;
          &lt;p&gt;Modal body text goes here.&lt;/p&gt;
        &lt;/div&gt;
        &lt;div class="modal-footer"&gt;
          &lt;button type="button" class="btn btn-primary"&gt;Save changes&lt;/button&gt;
          &lt;button type="button" class="btn btn-secondary" data-dismiss="modal"&gt;Close&lt;/button&gt;
        &lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>Thanks!
  Sean</p>