diff --git a/sample/common.php b/sample/common.php
index 886de7f..44811c8 100644
--- a/sample/common.php
+++ b/sample/common.php
@@ -152,7 +152,9 @@ class ResultPrinter
     protected static function printObject($object, $error = null)
     {
         if ($error) {
-            echo '<pre class="error">'. $error . '</pre>';
+            echo '<p class="error"><i class="fa fa-exclamation-triangle"></i> '.
+             $error.
+            '</p>';
         }
         if ($object) {
             if (is_a($object, 'PayPal\Common\PPModel')) {
diff --git a/sample/header.html b/sample/header.html
index 02ab33d..c6966ef 100644
--- a/sample/header.html
+++ b/sample/header.html
@@ -22,7 +22,7 @@
             overflow-y: auto;
             overflow-wrap: normal;
         }
-        pre.error {
+        pre.error, div.error, p.error {
             border-color: red;
             color: red;
             overflow-y: visible;