diff --git a/inc/rl-collapsible-section-settings.php b/inc/rl-collapsible-section-settings.php
new file mode 100644
index 0000000..e3893cb
--- /dev/null
+++ b/inc/rl-collapsible-section-settings.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Add a custom options page.
+ */
+function rl_collapsible_section_add_options_page() {
+  add_options_page(
+    __( 'Collapsible Section Shortcode Settings', 'rl_collapsible_section' ),
+    __( 'Collapsible Section Shortcode Settings', 'rl_collapsible_section' ),
+    'manage_options',
+    'rl_collapsible_section',
+    'rl_collapsible_section_render_options_page_callback'
+  );
+}
+add_action( 'admin_menu', 'rl_collapsible_section_add_options_page' );
+
+/**
+ * Callback function to render custom options page.
+ */
+function rl_collapsible_section_render_options_page_callback() {
+  ?>
+    <form method="POST" action="options.php">
+      <?php 
+      settings_fields( 'rl_collapsible_section' );
+      do_settings_sections( 'rl_collapsible_section' );
+      submit_button(); 
+      ?>
+    </form>
+  <?php
+}
+
+/**
+ * Register and initialize settings for the plugin.
+ */
+function rl_collapsible_section_settings_init() {
+  $settings_section = 'rl_collapsible_section-main';
+  $settings_page = 'rl_collapsible_section';
+
+  add_settings_section(
+    $settings_section,
+    'Settings for Collapsible Section Shortcode plugin',
+    'rl_collapsible_section_settings_section_main_callback',
+    $settings_page
+  );
+
+  add_settings_field(
+    'rl_collapsible_section-default_title_tag',
+    'Default Title Tag',
+    'rl_collapsible_section_default_title_tag_callback',
+    $settings_page,
+    $settings_section,
+    array( 'label_for' => 'rl_collapsible_section-default_title_tag' )
+  );
+
+  $default_title_tag_args = array(
+    'type' => 'string',
+    'default' => 'h2',
+    'description' => 'Default tag used for the title of a collapsible section.'
+  );
+  register_setting($settings_page, 'rl_collapsible_section-default_title_tag', $default_title_tag_args);
+
+  add_settings_field(
+    'rl_collapsible_section-expand_first_collapsible',
+    'Expand First Collapsible',
+    'rl_collapsible_section_expand_first_collapsible_callback',
+    $settings_page,
+    $settings_section,
+    array( 'label_for' => 'rl_collapsible_section-expand_first_collapsible' )
+  );
+
+  $expand_first_collapsible_args = array(
+    'type' => 'boolean',
+    'default' => true,
+    'description' => 'Whether or not to expand the first collapsible section.'
+  );
+  register_setting($settings_page, 'rl_collapsible_section-expand_first_collapsible', $expand_first_collapsible_args);
+}
+add_action( 'admin_init', 'rl_collapsible_section_settings_init' );
+
+/**
+ * Callback function to render settings section html
+ */
+function rl_collapsible_section_settings_section_main_callback() {
+  echo '';
+}
+
+/**
+ * Callback functions to render settings
+ */
+function rl_collapsible_section_default_title_tag_callback( $args ) {
+  $setting_id = 'rl_collapsible_section-default_title_tag';
+  $setting_value = esc_attr( get_option( 'rl_collapsible_section-default_title_tag' ) );
+
+  echo <<<setting_html
+  <input type="text" id="{$setting_id}" name="{$setting_id}" value="{$setting_value}" />
+  <p class="description">{$args[0]}</p>
+setting_html;
+}
+
+function rl_collapsible_section_expand_first_collapsible_callback( $args ) {
+  $setting_id = 'rl_collapsible_section-expand_first_collapsible';
+  $setting_value = esc_attr( get_option( 'rl_collapsible_section-expand_first_collapsible' ) );
+
+  if ($setting_value) {
+    $checked = 'checked';
+  } else {
+    $checked = 'unchecked';
+  }
+
+  echo <<<setting_html
+  <input type="checkbox" id="{$setting_id}" name="{$setting_id}" checked="{$checked}" />
+  <p class="description">{$args[0]}</p>
+setting_html;
+}
diff --git a/rl-collapsible-section.php b/rl-collapsible-section.php
index 71fa5b0..9dc6cfb 100644
--- a/rl-collapsible-section.php
+++ b/rl-collapsible-section.php
@@ -10,6 +10,9 @@
  * Version: 0.1.5
  */
 
+// Include our custom settings page for the plugin
+require_once plugin_dir_path( __FILE__ ).'/inc/rl-collapsible-section-settings.php';
+
 // Register styles and scripts to be used later when needed
 function rl_collapsible_section_register_scripts() {
   wp_register_style( 'rl-collapsible-section-style', plugin_dir_url( __FILE__ ).'/css/rl-collapsible-section.css', array(), '0.0.7' );
@@ -29,7 +32,7 @@ function rl_collapsible_section_shortcode($atts = [], $content = null) {
   // override default attributes with user attributes
   $shortcode_atts = shortcode_atts([
     'title' => 'Collapsible section',
-    'title-tag' => 'h1',
+    'title-tag' => esc_attr( get_option( 'rl_collapsible_section-default_title_tag', 'h2' ) ),
     'collapsed' => 'yes'
   ], $atts, 'rl_collapsible_section');
 
@@ -38,9 +41,9 @@ function rl_collapsible_section_shortcode($atts = [], $content = null) {
   $collapsed = $shortcode_atts['collapsed'] == 'yes';
 
   // Forces the first collapsible section to be expanded
-  if ($rl_collapsible_section_first_instance) {
+  $expand_first_collapsible = esc_attr( get_option( 'rl_collapsible_section-expand_first_collapsible', true ) );
+  if ($rl_collapsible_section_first_instance && $expand_first_collapsible) {
     $collapsed = false;
-    $rl_collapsible_section_first_instance = false;
   }
   
   $collapsible_section_classes = '';  
@@ -55,6 +58,9 @@ function rl_collapsible_section_shortcode($atts = [], $content = null) {
   $output .= "<div class=\"rl-collapsible-section-content\">{$content}</div>";
   $output .= "</div>";
 
+  // Flag for determining if this is the first instance of [rl_collapsible_section]
+  $rl_collapsible_section_first_instance = false;
+
   return do_shortcode($output);
 }
 add_shortcode('rl_collapsible_section', 'rl_collapsible_section_shortcode');