Start overridding footer widgets

wp-content/themes/twentynineteen-tailwindcss/functions.php

@@ -1,3 +1,17 @@
 <?php
 
 wp_enqueue_style( 'style', get_stylesheet_uri() );
+
+function tw_widgets() {
+  register_sidebar(
+    array(
+      'name' => 'Sidebar',
+      'id' => 'tw-sidebar',
+      'before_title' => '<h2 class="text-4xl font-bold text-gray-800">',
+      'after_title' => '</h2>',
+      'before_widget' => '<div class="mt-16 w-1/2 px-6">',
+      'after_widget' => '</div>',
+    )
+  );
+}
+add_action('widgets_init', 'tw_widgets');