fixed subscription

public/userarea/teacher_list.php

@@ -120,6 +120,7 @@ $teachers = $stmt->fetchAll(PDO::FETCH_ASSOC);
     <title>Insegnanti - <?= htmlspecialchars($school_name) ?></title>
     <?php include('cssinclude.php'); ?>
     <link href="https://cdn.jsdelivr.net/npm/quill@2.0.2/dist/quill.snow.css" rel="stylesheet" />
+    <script src="https://cdn.jsdelivr.net/npm/quill@2.0.2/dist/quill.js"></script>
     <style>
         .quill-wrapper {
             min-height: 260px;
@@ -238,7 +239,9 @@ $teachers = $stmt->fetchAll(PDO::FETCH_ASSOC);
 
                                 <div class="col-12">
                                     <label>Descrizione</label>
-                                    <div id="quill-add-editor" style="min-height:260px;"></div>
+                                    <div class="quill-wrapper">
+                                        <div id="quill-add-editor"></div>
+                                    </div>
                                     <input type="hidden" name="description" id="add-desc-hidden">
                                 </div>