Use .blockquote class in V4 examples page

Fix #17888

diff --git a/docs/content/reboot.md b/docs/content/reboot.md
index 076a3752ffe602024666300a7331f29ed62747ce..b1f4da5b7aa7ce4482833babb864344a899be222 100644 (file)
--- a/docs/content/reboot.md
+++ b/docs/content/reboot.md
@@ -272,7 +272,7 @@ The `<address>` element is updated to reset the browser default `font-style` fro
 The default `margin` on blockquotes is `1em 40px`, so we reset that to `0 0 1rem` for something more consistent with other elements.
 
 <div class="bd-example">
-  <blockquote>
+  <blockquote class="blockquote">
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.</p>
     <footer>Someone famous in <cite title="Source Title">Source Title</cite></footer>
   </blockquote>