diff --git a/CSS  Basic/CSS/chapter5/Style.css b/CSS  Basic/CSS/chapter5/Style.css
index 03b9439..ddb0849 100644
--- a/CSS  Basic/CSS/chapter5/Style.css	
+++ b/CSS  Basic/CSS/chapter5/Style.css	
@@ -1,3 +1,8 @@
+*{
+	margin: 0;
+	padding: 0;
+	box-sizing: border-box;
+}
 /* visited link */
 body{
 	background-color: #6C6C6C;