diff --git a/application/controllers/Booking.php b/application/controllers/Booking.php
index 66c1d9ce..7f9d3d17 100755
--- a/application/controllers/Booking.php
+++ b/application/controllers/Booking.php
@@ -450,7 +450,7 @@ class Booking extends EA_Controller {
             $captcha_phrase = session('captcha_phrase');
 
             // Validate the CAPTCHA string.
-            if ($require_captcha && $captcha_phrase !== $captcha)
+            if ($require_captcha && strtoupper($captcha_phrase) !== strtoupper($captcha))
             {
                 json_response([
                     'captcha_verification' => FALSE
diff --git a/application/controllers/Captcha.php b/application/controllers/Captcha.php
index 3be087b7..617baf68 100644
--- a/application/controllers/Captcha.php
+++ b/application/controllers/Captcha.php
@@ -27,6 +27,10 @@ class Captcha extends EA_Controller {
     public function index()
     {
         $builder = new CaptchaBuilder;
+        $builder->setDistortion(false);
+        $builder->setMaxBehindLines(1);
+        $builder->setMaxFrontLines(1);
+        $builder->setBackgroundColor(255,255,255);
         $builder->build();
         session(['captcha_phrase' => $builder->getPhrase()]);
         header('Content-type: image/jpeg');
diff --git a/assets/css/layouts/booking_layout.scss b/assets/css/layouts/booking_layout.scss
index 846842eb..3e747db7 100644
--- a/assets/css/layouts/booking_layout.scss
+++ b/assets/css/layouts/booking_layout.scss
@@ -250,7 +250,6 @@ body {
     float: left;
     margin-bottom: 20px;
     border-radius: 3px;
-    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.4);
 }
 
 #book-appointment-wizard .captcha-text {