diff --git a/samples/bootstrap/css/phpword.css b/samples/bootstrap/css/phpword.css
index d2195240..d7470598 100644
--- a/samples/bootstrap/css/phpword.css
+++ b/samples/bootstrap/css/phpword.css
@@ -1,8 +1,13 @@
 body {
-  padding-top: 20px;
-  padding-bottom: 20px;
+    padding-top: 20px;
+    padding-bottom: 20px;
 }
-
 .navbar {
-  margin-bottom: 20px;
+    margin-bottom: 20px;
+}
+.passed {
+    color: #339900;
+}
+.failed {
+    color: #ff0000;
 }
diff --git a/samples/index.php b/samples/index.php
index b9f52eac..f4446ad4 100644
--- a/samples/index.php
+++ b/samples/index.php
@@ -11,5 +11,18 @@ if (!CLI) {
 </p>
 </div>
 <?
+$requirements = array(
+    'php' => array('PHP 5.3.0', version_compare(phpversion(), '5.3.0', '>=')),
+    'zip' => array('PHP extension ZipArchive', extension_loaded('zip')),
+    'xml' => array('PHP extension XML', extension_loaded('xml')),
+    'gd'  => array('PHP extension GD (optional)', extension_loaded('gd')),
+);
+echo "<h3>Requirements</h3>";
+echo "<ul>";
+foreach ($requirements as $key => $value) {
+    $status = $value[1] ? 'passed' : 'failed';
+    echo "<li>{$value[0]} ... <span class='{$status}'>{$status}</span></li>";
 }
+echo "</ul>";
+} // if (!CLI)
 include_once 'Sample_Footer.php';