create body reusable field

site/templates/info.php

@@ -1,19 +1,12 @@
 <?php snippet('header') ?>
 <main id="<?= $page->template() ?>">
-<div id="entry-btns">
-  <button
-    class="entry-btn entry-btn--left toggle-btn toggle-btn--left"
-    onclick="togglePanel('left')"
-  >années</button>
-  <button
-    class="entry-btn entry-btn--right toggle-btn toggle-btn--right"
-    onclick="togglePanel('right')"
-  >categories</button>
-</div>
   <article>
-    <div id="main-content">
+    <?php snippet('cover', array('isOpen' => true), slots: true) ?>
+      <?php slot('title') ?>
+      <h2 class="main-title <?= setTitleFontSizeClass($page->title()) ?>"><?= $page->title() ?></h2>
       <?= $page->body() ?>
-    </div>
+      <?php endslot() ?>
+    <?php endsnippet() ?>
   </article>
 </main>