diff --git a/css/style.css b/css/style.css
index 419e50f..7bfb9d6 100644
--- a/css/style.css
+++ b/css/style.css
@@ -259,6 +259,14 @@ a.list-group-item:hover {
 	text-shadow: 0px -1px 0px rgba(0,0,0,0.3);
 }
 
-.center-it {
+.align-center {
 	text-align:center;
 }
+
+.align-left {
+	text-align:left;
+}
+
+.align-right {
+	text-align:right;
+}
diff --git a/index.html b/index.html
index 91e95e8..8fa6f06 100644
--- a/index.html
+++ b/index.html
@@ -110,7 +110,7 @@
 
 <p><em>Lorem ipsum dolor sit amet<sup><a href="#1">[1]</a></sup>, consectetur adipiscing elit. Praesent varius ullamcorper diam, non sagittis lectus rutrum id. Integer eros urna, egestas et libero a, finibus egestas odio. Nunc vel hendrerit quam, eget malesuada sem. Sed hendrerit ligula pharetra leo aliquam volutpat. Integer auctor urna ac convallis laoreet. Nunc vestibulum ipsum sed tortor aliquam porta. Cras nunc est, lobortis in est at, rhoncus auctor nunc. Sed dignissim erat non sollicitudin ultricies. Integer vel consectetur urna. Etiam fermentum ligula vitae nunc viverra, a fringilla sem aliquam. Suspendisse potenti. Morbi sem mi, malesuada quis odio vitae, suscipit congue metus. Sed ut ullamcorper urna, eget molestie est. Sed pulvinar justo ac urna consectetur fringilla. Donec tristique eget leo sit amet mollis.</em></p>
 
-<p class="center-it"><a href="#" class="btn btn-warning">Télécharger ce thème</a></p>
+<p class="align-center"><a href="#" class="btn btn-warning">Télécharger ce thème</a></p>
 
 <h3>Filmographie de Joachim du Poulet</h3>
 	<h4>Pour une poignée de poulets</h4>