diff --git a/digitalglarus/templates/digitalglarus/booking_payment.html b/digitalglarus/templates/digitalglarus/booking_payment.html
index 294e64c3..07a7739f 100644
--- a/digitalglarus/templates/digitalglarus/booking_payment.html
+++ b/digitalglarus/templates/digitalglarus/booking_payment.html
@@ -173,7 +173,7 @@
                     <div class="button-box">
                         <div class="row">
                           <div class="col-xs-12">
-                              <button id="payment_button" class="btn btn-primary btn-lg btn-blck " type="submit">Book</button>
+                              <button id="payment_button" class="btn btn-primary btn-md btn-blck " type="submit">Book</button>
                           </div>
                         </div> 
                     </div>