diff --git a/src/main/sarl/io/sarl/demos/sierpinski/ViewerController.css b/src/main/sarl/io/sarl/demos/sierpinski/ViewerController.css
index 1456ee2..e4f8405 100644
--- a/src/main/sarl/io/sarl/demos/sierpinski/ViewerController.css
+++ b/src/main/sarl/io/sarl/demos/sierpinski/ViewerController.css
@@ -2,7 +2,7 @@
 * @Author: Bartuccio Antoine
 * @Date:   2017-05-26 17:51:42
 * @Last Modified by:   klmp200
-* @Last Modified time: 2017-05-26 17:55:16
+* @Last Modified time: 2017-05-26 17:57:14
 */
 
 // Nice white #F9FAFB
@@ -12,31 +12,6 @@
 	-fx-background-color: #2B2B2B;
 }
 
-.scroll-bar {
-	-fx-background-color: rgb(57, 57, 57);
-}
-
-.scroll-bar .thumb {
-	-fx-background-color: rgb(169, 169, 169);
-	-fx-background-radius: 0em;
-	-fx-background-inserts: 0, 0, 0;
-}
-
-.scroll-bar .increment-arrow,
-.scroll-bar .decrement-arrow {
-	-fx-color: rgb(169, 169, 169);
-}
-
-.scroll-bar:hover .increment-arrow,
-.scroll-bar:hover .decrement-arrow {
-	-fx-color: #2B2B2B;
-	-fx-background-color: rgb(169, 169, 169);
-}
-
-.label {
-	-fx-text-fill: #F9FAFB;
-}
-
 .button {
 	-fx-background-radius: 0em;
 	-fx-background-inserts: 0, 0, 0;