diff --git a/application/views/components/booking_final_step.php b/application/views/components/booking_final_step.php
index 46566a15..ae95f4b4 100644
--- a/application/views/components/booking_final_step.php
+++ b/application/views/components/booking_final_step.php
@@ -37,7 +37,7 @@
             <?= lang('back') ?>
         </button>
         <form id="book-appointment-form" style="display:inline-block" method="post">
-            <button id="book-appointment-submit" type="button" class="btn btn-success">
+            <button id="book-appointment-submit" type="button" class="btn btn-primary">
                 <i class="fas fa-check-square me-2"></i>
                 <?= $manage_mode ? lang('update') : lang('confirm') ?>
             </button>
diff --git a/application/views/pages/booking_cancellation.php b/application/views/pages/booking_cancellation.php
index ddd802a9..17bc161c 100755
--- a/application/views/pages/booking_cancellation.php
+++ b/application/views/pages/booking_cancellation.php
@@ -19,13 +19,13 @@
         </strong>
     </p>
 
-    <a href="<?= site_url() ?>" class="btn btn-success btn-large">
+    <a href="<?= site_url() ?>" class="btn btn-primary btn-large">
         <i class="fas fa-calendar-alt"></i>
         <?= lang('go_to_booking_page') ?>
     </a>
 
     <?php if (config('google_sync_feature')): ?>
-        <button id="add-to-google-calendar" class="btn btn-primary">
+        <button id="add-to-google-calendar" class="btn btn-outline-secondary">
             <i class="fas fa-plus"></i>
             <?= lang('add_to_google_calendar') ?>
         </button>
diff --git a/application/views/pages/installation.php b/application/views/pages/installation.php
index b492a43d..9fc54662 100755
--- a/application/views/pages/installation.php
+++ b/application/views/pages/installation.php
@@ -121,7 +121,7 @@
 
     <br>
 
-    <button type="button" id="install" class="btn btn-success btn-large">
+    <button type="button" id="install" class="btn btn-primary btn-lg">
         <i class="icon-white icon-ok me-2"></i>
         Install Easy!Appointments
     </button>